{"product_id":"shimano-ultegra-cs-r8101-12speed","title":"Shimano Ultegra CS-R8101 12Speed","description":"\u003cp\u003e\u003cspan class=\"citation-1 recitation\"\u003eThe Shimano Ultegra CS-R8101 cassette delivers the \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-1 recitation\"\u003eprecise, ultra-fast shifting\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-1 recitation citation-end-1\"\u003e required for high-performance 12Speed road cycling.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-2 recitation citation-end-2\"\u003eEngineered using Shimano's HYPERGLIDE+ technology, this cassette features a refined tooth profile that allows for seamless, stress-free shifting even under heavy pedaling load.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003cspan class=\"button-container hide-from-message-actions ng-star-inserted\"\u003e  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"button-container hide-from-message-actions ng-star-inserted\"\u003e\u003c!----\u003e\u003c\/span\u003e\u003c!----\u003e\u003cstrong\u003eKey features include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"container ng-tns-c1004889483-283 hide\"\u003e\n\u003c!----\u003e\n\u003cdiv class=\"carousel-container ng-tns-c1004889483-283\"\u003e\n\u003cdiv class=\"carousel-content ng-tns-c1004889483-283\"\u003e\n\u003cdiv data-test-id=\"sources-carousel-source\" class=\"sources-carousel-source ng-tns-c1004889483-283 hide ng-star-inserted\"\u003e\u003c!----\u003e\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHYPERGLIDE+ Technology:\u003c\/b\u003e\u003cspan class=\"citation-3 recitation citation-end-3\"\u003e Ensures quicker, smoother gear transitions both up and down the cassette, minimizing power loss during shifts.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003cspan class=\"button-container hide-from-message-actions ng-star-inserted\"\u003e   \u003c!----\u003e\u003c\/span\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cdiv class=\"container ng-tns-c1004889483-284 hide\"\u003e\n\u003c!----\u003e\n\u003cdiv class=\"carousel-container ng-tns-c1004889483-284\"\u003e\n\u003cdiv class=\"carousel-content ng-tns-c1004889483-284\"\u003e\n\u003cdiv data-test-id=\"sources-carousel-source\" class=\"sources-carousel-source ng-tns-c1004889483-284 hide ng-star-inserted\"\u003e\u003c!----\u003e\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-4 recitation\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-4 recitation\"\u003eWider Range Options:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-4 recitation citation-end-4\"\u003e Available in various ratios to perfectly tune your gearing for climbing or sprinting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"citation-4 recitation citation-end-4\"\u003eL\u003c\/span\u003e\u003c\/strong\u003e\u003cb\u003e\u003cspan class=\"citation-5 recitation\"\u003e\u003cstrong\u003ei\u003c\/strong\u003eghtweight Design:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-5 recitation citation-end-5\"\u003e Constructed with an aluminum spider and high-quality steel cogs for an optimized balance of low weight and high durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-5 recitation citation-end-5\"\u003e\u003c\/span\u003e\u003cb style=\"font-size: 0.875rem;\"\u003e12Speed Precision:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e Designed exclusively for Shimano's 12Speed road drivetrain, providing a tighter gear progression where you need it most.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis cassette is the ideal upgrade or replacement for riders demanding professional-level reliability and blistering fast shifting performance from their Ultegra R8100 groupset.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"11-30T","offer_id":47588979310815,"sku":"ICSR810112130","price":170.0,"currency_code":"CAD","in_stock":true},{"title":"11-34T","offer_id":47588979343583,"sku":"ICSR810112134","price":170.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5452\/3103\/files\/cb213de578f2ddd684ebadbd0483455056b95d3a.jpg?v=1763168553","url":"https:\/\/alegrocycles.com\/products\/shimano-ultegra-cs-r8101-12speed","provider":"Alegro Cycles","version":"1.0","type":"link"}