{"product_id":"shimano-cs-hg800-11-speed-cassette-11-34t-kopia","title":"Shimano Ultegra CS-R8101 - Cassette 12-Speed Hyperglide+","description":"\u003cp data-start=\"106\" data-end=\"429\"\u003eTake your drivetrain to the next level with the \u003cstrong data-start=\"154\" data-end=\"182\"\u003eShimano Ultegra CS-R8101\u003c\/strong\u003e cassette from the R8100 series. Designed with a performance-first philosophy, it delivers ultra-smooth shifting, exceptional efficiency, and full control - whether you’re racing, chasing a personal best, or enjoying a long ride on the Costa Blanca.\u003c\/p\u003e\n\u003ch3 data-section-id=\"lfa7nz\" data-start=\"436\" data-end=\"455\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cp data-start=\"457\" data-end=\"588\"\u003e\u003cstrong data-start=\"457\" data-end=\"485\"\u003e✔ Hyperglide+ technology\u003c\/strong\u003e\u003cbr data-start=\"485\" data-end=\"488\"\u003eFast, smooth shifting in both directions - even under heavy load. No interruptions, no loss of rhythm.\u003c\/p\u003e\n\u003cp data-start=\"590\" data-end=\"730\"\u003e\u003cstrong data-start=\"590\" data-end=\"629\"\u003e✔ Maximum efficiency under pressure\u003c\/strong\u003e\u003cbr data-start=\"629\" data-end=\"632\"\u003eOptimized tooth profiles ensure consistent power transfer, even during intense climbs and sprints.\u003c\/p\u003e\n\u003cp data-start=\"732\" data-end=\"851\"\u003e\u003cstrong data-start=\"732\" data-end=\"766\"\u003e✔ Seamless shifting experience\u003c\/strong\u003e\u003cbr data-start=\"766\" data-end=\"769\"\u003eStay focused on the ride - gear changes are fluid, precise, and almost unnoticeable.\u003c\/p\u003e\n\u003cp data-start=\"853\" data-end=\"960\"\u003e\u003cstrong data-start=\"853\" data-end=\"881\"\u003e✔ Backward compatibility\u003c\/strong\u003e\u003cbr data-start=\"881\" data-end=\"884\"\u003eWorks with Shimano 11-speed freehub bodies - no need to upgrade your wheelset.\u003c\/p\u003e\n\u003cp data-start=\"962\" data-end=\"1079\"\u003e\u003cstrong data-start=\"962\" data-end=\"993\"\u003e✔ Proven racing performance\u003c\/strong\u003e\u003cbr data-start=\"993\" data-end=\"996\"\u003eTechnology derived from top-tier groupsets like Dura-Ace, now available in Ultegra.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1rlqake\" data-start=\"1086\" data-end=\"1107\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1111\" data-end=\"1121\"\u003eModel:\u003c\/strong\u003e CS-R8101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1135\" data-end=\"1146\"\u003eSeries:\u003c\/strong\u003e Shimano Ultegra R8100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1173\" data-end=\"1184\"\u003eSpeeds:\u003c\/strong\u003e 12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1198\" data-end=\"1213\"\u003eTechnology:\u003c\/strong\u003e Hyperglide+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1230\" data-end=\"1243\"\u003eMaterial:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSprockets: Nickel-plated steel\u003c\/li\u003e\n\u003cli\u003eSpider: Aluminum\u003c\/li\u003e\n\u003cli\u003eLockring: Anodized aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1342\" data-end=\"1352\"\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear:\u003c\/strong\u003e 11-34T → 11-12-13-14-15-17-19-21-24-27-30-34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1482\" data-end=\"1508\" style=\"font-size: 0.875rem;\"\u003eWeight (manufacturer): \u003c\/strong\u003eapprox. 345 g (11-34T)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3 data-section-id=\"11b1lg1\" data-start=\"1571\" data-end=\"1591\"\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1595\" data-end=\"1616\"\u003eRear derailleurs:\u003c\/strong\u003e RD-R9250, RD-R8150, RD-R7150 (11-34T only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1664\" data-end=\"1675\"\u003eChains:\u003c\/strong\u003e CN-M9100, CN-M8100, CN-M7100, CN-M6100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1719\" data-end=\"1731\"\u003eFreehub:\u003c\/strong\u003e HG L (Shimano 11\/12-speed Road), HG L2 (12-speed Road)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1wo3y4\" data-start=\"1793\" data-end=\"1814\"\u003eWho is it for?\u003c\/h3\u003e\n\u003cp data-start=\"1816\" data-end=\"1850\"\u003ePerfect for cyclists who demand:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elightning-fast shifting\u003c\/li\u003e\n\u003cli\u003esmooth cadence under load\u003c\/li\u003e\n\u003cli\u003erace-level performance\u003c\/li\u003e\n\u003cli\u003ereliability on climbs and descents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1ucp6mx\" data-start=\"1981\" data-end=\"2013\"\u003eWhy choose Ultegra R8100?\u003c\/h3\u003e\n\u003cp data-start=\"2015\" data-end=\"2274\"\u003eThe Ultegra R8100 series was built with one goal: \u003cstrong data-start=\"2065\" data-end=\"2093\"\u003espeed without compromise\u003c\/strong\u003e. With Hyperglide+ technology and refined engineering, the CS-R8101 cassette ensures that every gear change is fast, smooth, and efficient—so you can focus 100% on your performance.\u003c\/p\u003e\n\u003cp data-start=\"2281\" data-end=\"2413\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2281\" data-end=\"2309\"\u003eShimano Ultegra CS-R8101\u003c\/strong\u003e is the perfect choice for riders who want pro-level shifting, durability, and efficiency in every ride.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":54337520992585,"sku":null,"price":79.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/6881\/5945\/files\/Buenprovecho_-smacznego_Queaproveche_smacznego.png?v=1778249522","url":"https:\/\/shop.costablanca.cc\/products\/shimano-cs-hg800-11-speed-cassette-11-34t-kopia","provider":"CostaBlanca Cycling Store","version":"1.0","type":"link"}