{"title":"AOPW Pulley Wheels - Shimano","description":"\u003cp\u003eTRiPEAK asymmetric oversized pulley wheel (AOPW) kits and replacement caps for compatible Shimano Road, GRX and XT derailleurs. Check exact model fitment before ordering. Choose a color on the product page.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDrivetrain\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"\/collections\/aopw-pulley-wheels\" style=\"display:inline-block;padding:5px 12px;border:1px solid #dce3e6;border-radius:999px;text-decoration:none;margin:3px 4px 3px 0\"\u003eAll\u003c\/a\u003e \u003ca href=\"\/collections\/aopw-pulley-wheels-sram\" style=\"display:inline-block;padding:5px 12px;border:1px solid #dce3e6;border-radius:999px;text-decoration:none;margin:3px 4px 3px 0\"\u003eSRAM\u003c\/a\u003e \u003ca href=\"\/collections\/aopw-pulley-wheels-shimano\" style=\"display:inline-block;padding:5px 12px;border:1px solid #dce3e6;border-radius:999px;text-decoration:none;margin:3px 4px 3px 0;font-weight:700;background:#e6fff6\"\u003eShimano\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"\/collections\/aopw-pulley-wheels-shimano\" style=\"display:inline-block;padding:5px 12px;border:1px solid #dce3e6;border-radius:999px;text-decoration:none;margin:3px 4px 3px 0\"\u003eAll parts\u003c\/a\u003e \u003ca href=\"\/collections\/aopw-pulley-wheels-shimano?filter.p.product_type=Oversized%20Pulley%20Kits\" style=\"display:inline-block;padding:5px 12px;border:1px solid #dce3e6;border-radius:999px;text-decoration:none;margin:3px 4px 3px 0\"\u003ePulley kits\u003c\/a\u003e \u003ca href=\"\/collections\/aopw-pulley-wheels-shimano?filter.p.product_type=Replacement%20Caps\" style=\"display:inline-block;padding:5px 12px;border:1px solid #dce3e6;border-radius:999px;text-decoration:none;margin:3px 4px 3px 0\"\u003eReplacement caps\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eModels compatible with both SRAM and Shimano appear in both categories.\u003c\/p\u003e\u003cp\u003eCheck the full derailleur model and generation before ordering. Read our \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003eoversized pulley guide\u003c\/a\u003e and \u003ca href=\"\/blogs\/news\/ceramic-vs-steel-bicycle-bearings\"\u003eceramic versus steel bearing guide\u003c\/a\u003e for fit and maintenance considerations.\u003c\/p\u003e","products":[{"product_id":"tripeak-ema-jw1118a-shcb68","title":"TRiPEAK Asymmetric Oversized Pulley Wheel Kit for Shimano Ultegra 6800 \/ 105 5800 GS – 11\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano Ultegra 6800 \/ 105 5800 GS uses the listed 11\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003e11\/18T AOPW Kits for Shimano R68xx(GS)\/58xx(GS)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e 11\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano R68xx(GS)\/58xx(GS), etc series\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68GD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68SV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68DB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68LB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68GR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68OR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68PL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHCB68PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Gold","offer_id":67736385028189,"sku":"EMA-JW1118A-SHCB68GD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":67736615551069,"sku":"EMA-JW1118A-SHCB68SV","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Dark Blue","offer_id":67736615583837,"sku":"EMA-JW1118A-SHCB68DB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736615616605,"sku":"EMA-JW1118A-SHCB68LB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736615649373,"sku":"EMA-JW1118A-SHCB68GR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736615682141,"sku":"EMA-JW1118A-SHCB68RD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736615714909,"sku":"EMA-JW1118A-SHCB68OR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736615747677,"sku":"EMA-JW1118A-SHCB68PL","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736615780445,"sku":"EMA-JW1118A-SHCB68PN","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-79fa6249af67.png?v=1791905085"},{"product_id":"tripeak-ema-jw1118a-shx810","title":"TRiPEAK Asymmetric Oversized Pulley Wheel Kit for Shimano GRX 2x – 11\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano GRX 2x uses the listed 11\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003e11\/18T AOPW Kits for Shimano GRX RD-RX810\/815\/820\/825 (2X)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e 11\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano GRX RD-RX810\/815\/820\/825 (2X)\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810GD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810SV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810DB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810LB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810GR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810OR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810PL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1118A-SHX810PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736385519709,"sku":"EMA-JW1118A-SHX810BK","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67736616108125,"sku":"EMA-JW1118A-SHX810GD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":67736616140893,"sku":"EMA-JW1118A-SHX810SV","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Dark Blue","offer_id":67736616173661,"sku":"EMA-JW1118A-SHX810DB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736616206429,"sku":"EMA-JW1118A-SHX810LB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736616239197,"sku":"EMA-JW1118A-SHX810GR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736616271965,"sku":"EMA-JW1118A-SHX810RD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736616304733,"sku":"EMA-JW1118A-SHX810OR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736616337501,"sku":"EMA-JW1118A-SHX810PL","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736616370269,"sku":"EMA-JW1118A-SHX810PN","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-63f811d85e80.png?v=1791905107"},{"product_id":"tripeak-ema-jw1216a-ashcb","title":"TRiPEAK AERO Asymmetric Oversized Pulley Wheel Kit for Shimano Road 12-Speed – 12\/16T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano Road 12-Speed uses the listed 12\/16T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003eAOPW AERO, 12\/16T for Shimano RD-92xx\/81xx\/71xx 12s\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e AOPW AERO, 12\/16T Asymmetric Oversized Pulley Wheel Kits for Shimano RD-92xx\/81xx\/71xx 12s; 1 set of 5mm upper pulley side plates, 2 sets of lower pulley inner side plates; screws fo Shimano upper \u0026amp; lower pulley\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBBK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBGD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBSV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBDB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBLB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBGR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBRD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBOR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-ASHCBPN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eUse the exact tooth combination and derailleur application listed above. The \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eofficial TRiPEAK support library\u003c\/a\u003e includes the AOPW-AERO Road installation document. Follow the document for your model’s mounting parts, chain check and alignment, then check clearance and shifting through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I choose this AERO or EVO version?\u003c\/summary\u003e\u003cp\u003eMatch the listed derailleur model and tooth combination first. This listing’s tooth count is part of its fit. Compare the other \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eAOPW versions\u003c\/a\u003e and use the \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eofficial model instructions\u003c\/a\u003e for installation.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736387813469,"sku":"EMA-JW1216A-ASHCBBK","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Gold","offer_id":67736618664029,"sku":"EMA-JW1216A-ASHCBGD","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":67736618696797,"sku":"EMA-JW1216A-ASHCBSV","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Dark Blue","offer_id":67736618729565,"sku":"EMA-JW1216A-ASHCBDB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736618762333,"sku":"EMA-JW1216A-ASHCBLB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736618795101,"sku":"EMA-JW1216A-ASHCBGR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736618827869,"sku":"EMA-JW1216A-ASHCBRD","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736618860637,"sku":"EMA-JW1216A-ASHCBOR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736618893405,"sku":"EMA-JW1216A-ASHCBPL","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736618926173,"sku":"EMA-JW1216A-ASHCBPN","price":220.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-b20d13d4239e.png?v=1791905420"},{"product_id":"tripeak-ema-jw1216a-hshcb","title":"TRiPEAK EVO Asymmetric Oversized Pulley Wheel Kit for Shimano Road 12-Speed – 12\/16T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano Road 12-Speed uses the listed 12\/16T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003eAOPW EVO, 12\/16T for Shimano RD-92xx\/81xx\/71xx 12s\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e AOPW EVO, 12\/16T Asymmetric Oversized Pulley Wheel Kits for Shimano RD-92xx\/81xx\/71xx 12s; 1 set of 5mm upper pulley side plates, 2 sets of lower pulley inner side plates; screws fo Shimano upper \u0026amp; lower pulley\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBBK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBGD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBSV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBDB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBLB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBGR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBRD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBOR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1216A-HSHCBPN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eUse the exact tooth combination and derailleur application listed above. The \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eofficial TRiPEAK support library\u003c\/a\u003e includes the AOPW-AERO Road installation document. Follow the document for your model’s mounting parts, chain check and alignment, then check clearance and shifting through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I choose this AERO or EVO version?\u003c\/summary\u003e\u003cp\u003eMatch the listed derailleur model and tooth combination first. This listing’s tooth count is part of its fit. Compare the other \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eAOPW versions\u003c\/a\u003e and use the \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eofficial model instructions\u003c\/a\u003e for installation.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736388239453,"sku":"EMA-JW1216A-HSHCBBK","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Gold","offer_id":67736619024477,"sku":"EMA-JW1216A-HSHCBGD","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":67736619057245,"sku":"EMA-JW1216A-HSHCBSV","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Dark Blue","offer_id":67736619090013,"sku":"EMA-JW1216A-HSHCBDB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736619122781,"sku":"EMA-JW1216A-HSHCBLB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736619155549,"sku":"EMA-JW1216A-HSHCBGR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736619188317,"sku":"EMA-JW1216A-HSHCBRD","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736619221085,"sku":"EMA-JW1216A-HSHCBOR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736619253853,"sku":"EMA-JW1216A-HSHCBPL","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736619286621,"sku":"EMA-JW1216A-HSHCBPN","price":220.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-0b9f2b298025.png?v=1791905539"},{"product_id":"tripeak-ema-jw1218a-a12scb","title":"TRiPEAK AERO Asymmetric Oversized Pulley Wheel Kit for Shimano \u0026 SRAM Road 12-Speed – 12\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano \u0026amp; SRAM Road 12-Speed uses the listed 12\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003eAOPW AERO, 12\/18T for Shimano RD-92xx\/81xx\/71xx 12s; SRAM AXS RD E1 RED\/FORCE 2x12s\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e AOPW AERO, 12\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano RD-92xx\/81xx\/71xx 12s; SRAM AXS RD E1 RED\/FORCE(2x12 speed), 2 sets of upper pulley side plates(4mm for SRAM\/5mm for Shimano), 3 sets of lower pulley inner side plates; screws for SRAM lower pulley or Shimano upper \u0026amp; lower pulley\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBBK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBGD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBSV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBDB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBLB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBGR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBRD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBOR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-A12SCBPN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736388730973,"sku":"EMA-JW1218A-A12SCBBK","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67736587370589,"sku":"EMA-JW1218A-A12SCBGD","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":67736587403357,"sku":"EMA-JW1218A-A12SCBSV","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Dark Blue","offer_id":67736587436125,"sku":"EMA-JW1218A-A12SCBDB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736587468893,"sku":"EMA-JW1218A-A12SCBLB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736587501661,"sku":"EMA-JW1218A-A12SCBGR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736587534429,"sku":"EMA-JW1218A-A12SCBRD","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":67736587567197,"sku":"EMA-JW1218A-A12SCBOR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736587599965,"sku":"EMA-JW1218A-A12SCBPL","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736587632733,"sku":"EMA-JW1218A-A12SCBPN","price":220.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-b20d13d4239e.png?v=1791905420"},{"product_id":"tripeak-ema-jw1218a-h12scb","title":"TRiPEAK EVO Asymmetric Oversized Pulley Wheel Kit for Shimano \u0026 SRAM Road 12-Speed – 12\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano \u0026amp; SRAM Road 12-Speed uses the listed 12\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003eAOPW EVO, 12\/18T for Shimano RD-92xx\/81xx\/71xx 12s; SRAM AXS RD E1 RED\/FORCE(2x12s)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e AOPW EVO, 12\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano RD-92xx\/81xx\/71xx 12s; SRAM AXS RD E1 RED\/FORCE(2x12 speed), 2 sets of upper pulley side plates(4mm for SRAM\/5mm for Shimano), 3 sets of lower pulley inner side plates; screws for SRAM lower pulley or Shimano upper \u0026amp; lower pulley\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBBK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBGD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBSV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBDB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBLB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBGR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBRD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBOR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-H12SCBPN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736389714013,"sku":"EMA-JW1218A-H12SCBBK","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67736619778141,"sku":"EMA-JW1218A-H12SCBGD","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":67736619810909,"sku":"EMA-JW1218A-H12SCBSV","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Dark Blue","offer_id":67736619843677,"sku":"EMA-JW1218A-H12SCBDB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736619876445,"sku":"EMA-JW1218A-H12SCBLB","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736619909213,"sku":"EMA-JW1218A-H12SCBGR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736619941981,"sku":"EMA-JW1218A-H12SCBRD","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736619974749,"sku":"EMA-JW1218A-H12SCBOR","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736620007517,"sku":"EMA-JW1218A-H12SCBPL","price":220.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736620040285,"sku":"EMA-JW1218A-H12SCBPN","price":220.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-0b9f2b298025.png?v=1791905539"},{"product_id":"tripeak-ema-jw1218a-shcb81","title":"TRiPEAK Asymmetric Oversized Pulley Wheel Kit for Shimano Ultegra R8100 \/ 105 R7100 – 12\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano Ultegra R8100 \/ 105 R7100 uses the listed 12\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003e12\/18T AOPW Kits for Shimano 81xx\u0026amp;71xx series\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e 12\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano 81xx\u0026amp;71xx series\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81GD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81SV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81DB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81LB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81GR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81OR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81PL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB81PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736391647325,"sku":"EMA-JW1218A-SHCB81BK","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67736624398429,"sku":"EMA-JW1218A-SHCB81GD","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":67736624431197,"sku":"EMA-JW1218A-SHCB81SV","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Dark Blue","offer_id":67736624463965,"sku":"EMA-JW1218A-SHCB81DB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736624496733,"sku":"EMA-JW1218A-SHCB81LB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736624529501,"sku":"EMA-JW1218A-SHCB81GR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736624562269,"sku":"EMA-JW1218A-SHCB81RD","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":67736624595037,"sku":"EMA-JW1218A-SHCB81OR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736624627805,"sku":"EMA-JW1218A-SHCB81PL","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736624660573,"sku":"EMA-JW1218A-SHCB81PN","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-2a6c7557aa00.png?v=1791905723"},{"product_id":"tripeak-ema-jw1218a-shcb91","title":"TRiPEAK Asymmetric Oversized Pulley Wheel Kit for Shimano Dura-Ace R9100 – 12\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano Dura-Ace R9100 uses the listed 12\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003e12\/18T AOPW Kits for Shimano R91xx series\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e 12\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano R91xx series\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91GD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91SV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91DB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91LB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91GR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91OR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91PL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB91PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736392040541,"sku":"EMA-JW1218A-SHCB91BK","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Gold","offer_id":67736624726109,"sku":"EMA-JW1218A-SHCB91GD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":67736624758877,"sku":"EMA-JW1218A-SHCB91SV","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Dark Blue","offer_id":67736624791645,"sku":"EMA-JW1218A-SHCB91DB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736624824413,"sku":"EMA-JW1218A-SHCB91LB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736624857181,"sku":"EMA-JW1218A-SHCB91GR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736624889949,"sku":"EMA-JW1218A-SHCB91RD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736624922717,"sku":"EMA-JW1218A-SHCB91OR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736624955485,"sku":"EMA-JW1218A-SHCB91PL","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736624988253,"sku":"EMA-JW1218A-SHCB91PN","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-82baf1425aff.png?v=1791905758"},{"product_id":"tripeak-ema-jw1218a-shcb92","title":"TRiPEAK Asymmetric Oversized Pulley Wheel Kit for Shimano Dura-Ace R9200 – 12\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano Dura-Ace R9200 uses the listed 12\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003e12\/18T AOPW Kits for Shimano R92xx series\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e 12\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano R92xx series\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92GD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92SV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92DB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92LB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92GR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92OR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92PL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1218A-SHCB92PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736392597597,"sku":"EMA-JW1218A-SHCB92BK","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67736625021021,"sku":"EMA-JW1218A-SHCB92GD","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":67736625053789,"sku":"EMA-JW1218A-SHCB92SV","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Dark Blue","offer_id":67736625086557,"sku":"EMA-JW1218A-SHCB92DB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736625119325,"sku":"EMA-JW1218A-SHCB92LB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736625152093,"sku":"EMA-JW1218A-SHCB92GR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736625184861,"sku":"EMA-JW1218A-SHCB92RD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736625217629,"sku":"EMA-JW1218A-SHCB92OR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736625250397,"sku":"EMA-JW1218A-SHCB92PL","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736625283165,"sku":"EMA-JW1218A-SHCB92PN","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-cc61713c0a43.png?v=1791905787"},{"product_id":"tripeak-ema-jw1318a-shm81","title":"TRiPEAK Asymmetric Oversized Pulley Wheel Kit for Shimano XT M81xx \/ GRX RX822 SGS – 13\/18T","description":"\u003cp\u003eThe TRiPEAK asymmetric oversized pulley wheel kit for Shimano XT M81xx \/ GRX RX822 SGS uses the listed 13\/18T tooth combination. Check the exact rear derailleur model, generation and cage designation against the specification below. A shared Shimano, SRAM or Campagnolo name does not make different derailleur versions interchangeable.\u003c\/p\u003e\u003ch2\u003eCompatibility and supplied specification\u003c\/h2\u003e\u003cp\u003e13\/18T AOPW Kits for Shimano XT M81XX SGS, GRX RX822 SGS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e Shimano,13\/18T Asymmetric Oversized Pulley Wheel Kits for Shimano XT M8100-SGS\/M8120-SGS\/M8130-SGS; GRX RX822-SGS\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81GD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81SV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81DB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Blue\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81LB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81GR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81OR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81PL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003eEMA-JW1318A-SHM81PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eChoosing this version\u003c\/h2\u003e\u003cp\u003eAOPW means asymmetric oversized pulley wheel. The larger pulley changes the chain’s path through the derailleur, so tooth count and model-specific mounting parts must match. AERO and EVO versions are separate product designs; choose by the supported derailleur and supplied parts rather than assuming all AOPW kits share the same fit.\u003c\/p\u003e\u003ch2\u003eInstallation checks\u003c\/h2\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/keeps-the-whole-upgrade-fast-precise-and\"\u003eofficial AOPW upgrade article\u003c\/a\u003e describes retaining the original derailleur cage without requiring a longer chain. It also asks installers to check that chain length is appropriate for the bike’s setup. Follow the matching \u003ca href=\"https:\/\/tripeakusa.com\/support#manuals\"\u003eTRiPEAK installation manual\u003c\/a\u003e for the upper\/lower pulley positions and mounting parts, then check shifting and clearance through every gear.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWill it fit a different generation of the same groupset?\u003c\/summary\u003e\u003cp\u003eOnly the models listed in this product’s specification are supported by the information here. Road AXS, XPLR, Eagle and T-Type are distinct applications. Check the full derailleur code and cage length before choosing a kit or wheel set.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy use an 18T lower pulley?\u003c\/summary\u003e\u003cp\u003eTRiPEAK’s \u003ca href=\"https:\/\/tripeakusa.com\/news\/whats-the-benefit-of-a-bigger-pulley\"\u003e18T-versus-11T explanation\u003c\/a\u003e describes a gentler chain-bending angle with the larger pulley. The asymmetric mount accommodates the larger wheel in the supported original derailleur arm. Read \u003ca href=\"\/blogs\/news\/are-oversized-pulley-wheels-worth-it\"\u003ehow the AOPW upgrade works\u003c\/a\u003e for the design and fit details.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eCompare \u003ca href=\"\/collections\/aopw-pulley-wheels\"\u003eTRiPEAK AOPW kits\u003c\/a\u003e and \u003ca href=\"\/collections\/pulley-wheels\"\u003epulley wheel sets\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003esend us your derailleur model\u003c\/a\u003e to check fit before ordering.\u003c\/p\u003e","brand":"TRiPEAK","offers":[{"title":"Black","offer_id":67736397545565,"sku":"EMA-JW1318A-SHM81BK","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Gold","offer_id":67736626921565,"sku":"EMA-JW1318A-SHM81GD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":67736626954333,"sku":"EMA-JW1318A-SHM81SV","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Dark Blue","offer_id":67736626987101,"sku":"EMA-JW1318A-SHM81DB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue","offer_id":67736627019869,"sku":"EMA-JW1318A-SHM81LB","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Green","offer_id":67736627052637,"sku":"EMA-JW1318A-SHM81GR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":67736627085405,"sku":"EMA-JW1318A-SHM81RD","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Orange","offer_id":67736627118173,"sku":"EMA-JW1318A-SHM81OR","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":67736627150941,"sku":"EMA-JW1318A-SHM81PL","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Pink","offer_id":67736627183709,"sku":"EMA-JW1318A-SHM81PN","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/files\/tripeak-pulley-import-d45ed206849f.png?v=1791905961"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1631\/1901\/collections\/tripeak-aopw-pulley-wheels_934642bc-deb6-43e7-8f28-83f949fb5918.png?v=1791908308","url":"https:\/\/precisionwatts.com\/collections\/aopw-pulley-wheels-shimano.oembed","provider":"Precision Watts","version":"1.0","type":"link"}