{"product_id":"shimano-ultegra-fc-r8100-crankset-165mm-12-speed-52-36t-hollowtech-ii-spindle-interface-black","title":"Shimano Ultegra FC-R8100 Crankset - 165mm 12-Speed 52\/36t Hollowtech II Spindle Interface Black","description":"\u003cp\u003eUltegra FC-R8100 is a 2x12-speed road crankset with a 165mm crank length and a 52\/36T chainring set. It uses the Hollowtech II spindle interface and is built for Shimano 12-speed Ultegra and Dura-Ace drivetrains.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2x12-speed Ultegra crankset\u003c\/li\u003e\n\u003cli\u003eHollowtech II spindle interface\u003c\/li\u003e\n\u003cli\u003e52\/36T chainring set, 165mm crank arms\u003c\/li\u003e\n\u003cli\u003eBottom bracket not included: pair with SM-BBR60 (threaded) or SM-BB72-41B (press-fit)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank length\u003c\/td\u003e\n\u003ctd\u003e165mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainrings\u003c\/td\u003e\n\u003ctd\u003e52\/36T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain speeds\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle interface\u003c\/td\u003e\n\u003ctd\u003eHollowtech II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":67967541903453,"sku":"SHI79339998K","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3650\/5437\/files\/FC-R8100-52-36T-shic219-primary_1_750_750.jpg?v=1794352306","url":"https:\/\/dragonspinecycling.com\/products\/shimano-ultegra-fc-r8100-crankset-165mm-12-speed-52-36t-hollowtech-ii-spindle-interface-black","provider":"Dragonspine Cycling","version":"1.0","type":"link"}