{"product_id":"shimano-ultegra-r8101-12-speed-bicycle-cassette-47122","title":"Shimano Ultegra R8101 12-Speed Bicycle Cassette","description":"\u003cp\u003eA revolutionary Ultegra 12-speed cassette with uninterrupted shifting experience during climbs, sprints, or cruising.\u003c\/p\u003e\u003ch3\u003eEnhance your ride\u003c\/h3\u003e\u003cp\u003eEven during maximal efforts up a climb or racing, riders no longer need to back off to shift. In any gear, Ultegra R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing Hyperglide freehub bodies.\u003c\/p\u003e\u003cp\u003eAll this while increasing to 12-gears, Ultegra R8101 Bicycle Cassette are the new paradigm in road shifting.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatible with new 12-speed Shimano freehub body and road 11-speed freehub body\u003c\/li\u003e\n\u003cli\u003eRefined 12 step gear combination provides peak efficiency and accelerating performance for every situation\u003c\/li\u003e\n\u003cli\u003eLarger driving cogs maximize drivetrain efficiency\u003c\/li\u003e\n\u003cli\u003eSteel cogs with aluminum spider arm\u003c\/li\u003e\n\u003cli\u003eIncludes aluminum cassette lockring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHighlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimano Ultegra Di2\u003c\/strong\u003e - Ultegra Di2 R8100 is Shimano's most inspired drivetrain, packed with innovative, game-changing features. HYPERGLIDE+ technology allows for crisp, seamless shifts both up and down the gear range, even during maximal efforts. The new Di2 shifting system introduces Shimano's exclusive wireless integrated circuit, and the move to a 12 speed cassette ensures you have all the gearing you need. Ergonomics and aerodynamics have been enhanced at every turn, and you can set up the drivetrain just the way you like it via Shimano’s user-friendly E-Tube app.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyperGlide+\u003c\/strong\u003e - Shimano's HyperGlide+ shifting system uses machined ramp designs to smoothly guide the chain up and down the cassette for lighter, faster shifting, even under extreme pedaling force. A wide range of HG+ gearing choices, cassette options, and the choice of a single or double front chainring support a wide variety of riding styles, abilities and preferences.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specs\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eBike cassettes \u0026amp; freewheels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eShimano\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTeeth\u003c\/th\u003e\n\u003ctd\u003e11-30t (ICSR810112130), 11-34t (ICSR810112134)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpeed\u003c\/th\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMount type\u003c\/th\u003e\n\u003ctd\u003eShimano\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e297.0g (ICSR810112130), 348.0g (ICSR810112134)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold by Atlanta Cycling in Atlanta, GA. Manufacturer part #47122.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"11-30t \/ Silver","offer_id":51670915580071,"sku":"5320984","price":130.0,"currency_code":"USD","in_stock":true},{"title":"11-34t \/ Silver","offer_id":51670915612839,"sku":"5320985","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/6076\/5863\/files\/shimano-ultegra-r8101-12-speed-bicycle-cassette-silver-1.jpg?v=1793114878","url":"https:\/\/www.atlantacycling.com\/products\/shimano-ultegra-r8101-12-speed-bicycle-cassette-47122","provider":"Atlanta Cycling","version":"1.0","type":"link"}