{"product_id":"shimano-ultegra-fc-r8100-12spd-crankset","title":"Shimano Ultegra FC-R8100 12spd Crankset","description":"\u003ch5 style=\"text-align: center;\"\u003ePOWER MEETS PRECISION\u003cbr\u003e\u003cbr\u003e\n\u003c\/h5\u003e\n\u003cp\u003eThe Shimano ULTEGRA FC-R8100 Crankset delivers pro-level performance with exceptional value, featuring Hollowglide arms for stiffness and reduced weight, plus Hollowtech II and a 24mm spindle for seamless 12-speed compatibility. Its sleek design mirrors DURA-ACE aesthetics, and expanded crank length options ensure a perfect fit for every rider.\u003c\/p\u003e\n\u003ch6\u003e\n\u003cbr\u003e\u003cbr\u003eFEATURES\u003c\/h6\u003e\n\u003cul style=\"list-style: circle; list-style-position: inside;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHollowglide construction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ekeeps weight to a minimum and stiffness at a max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHollowtech II bottom bracket compatible\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ejust like the previous 11-speed generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased variety of crank lengths\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto meet every riders preference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for 12-speed Shimano road drivetrains\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch6\u003eTECH SPECS\u003c\/h6\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeeds\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Compatibility\u003c\/td\u003e\n\u003ctd\u003eHollowtech II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChain Ring\u003c\/td\u003e\n\u003ctd\u003e50-34t, 52-36t\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Arm Length\u003c\/td\u003e\n\u003ctd\u003e160mm, 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Spindle Interface\u003c\/td\u003e\n\u003ctd\u003eHollowtech II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainring Material\u003c\/td\u003e\n\u003ctd\u003eAlloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt Center Diameter (BCD)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Arm Material\u003c\/td\u003e\n\u003ctd\u003eAlloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainline\u003c\/td\u003e\n\u003ctd\u003e44.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Bracket Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eRoad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e700g (50-34t), 711g (52-36t)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shimano","offers":[{"title":"170 \/ 50\/34T","offer_id":51016697250084,"sku":"IFCR8100CX04","price":229.99,"currency_code":"USD","in_stock":false},{"title":"170 \/ 52\/36T","offer_id":51016697282852,"sku":"IFCR8100CX26","price":229.99,"currency_code":"USD","in_stock":false},{"title":"172.5 \/ 50\/34T","offer_id":51016697315620,"sku":"IFCR8100DX04","price":229.99,"currency_code":"USD","in_stock":false},{"title":"172.5 \/ 52\/36T","offer_id":51016697217316,"sku":"IFCR8100DX26","price":229.99,"currency_code":"USD","in_stock":false},{"title":"175 \/ 50\/34T","offer_id":51016697184548,"sku":"IFCR8100EX04","price":229.99,"currency_code":"USD","in_stock":true},{"title":"175 \/ 52\/36T","offer_id":51016697348388,"sku":"IFCR8100EX26","price":229.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/4066\/9732\/files\/ifcr8100ax04.webp?v=1755900259","url":"https:\/\/getbikesonlinhot.com\/products\/shimano-ultegra-fc-r8100-12spd-crankset","provider":"BikesOnline US","version":"1.0","type":"link"}