{"product_id":"shimano-ultegra-fc-8100-12-speed-crankset-175-mm-double-12-speed-ckst2102-bicycle-crankset","title":"Shimano Ultegra FC-R8100 12-Speed Crankset 52\/36t Hollowtech II","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eThe Shimano Ultegra FC-R8100 crankset is designed for 12-speed road bikes, featuring a 175mm crank length and a 52\/36-tooth double chainring setup. It offers a 148mm Q-factor and a 44.5mm chainline suitable for 130mm hubs. Built with Shimano's Hollowtech II spindle interface and Hollowglide structure, this crankset provides a balance of stiffness, strength, and weight for efficient power transfer and precise front shifting. The crankset is black and uses a 110 Shimano Asymmetric chainring BCD. Bottom bracket is not included. Pedal spindle size is 9\/16\".\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 12-speed Shimano Ultegra road drivetrains, ensuring smooth and reliable front shifting. \u003c\/li\u003e\n\u003cli\u003eFeatures a 175mm crank length suited for specific rider biomechanics and fit requirements. \u003c\/li\u003e\n\u003cli\u003eConstructed with Hollowglide technology for a lightweight yet strong crankset to enhance power transfer. \u003c\/li\u003e\n\u003cli\u003eIncludes a 52\/36t double chainring with a 110 Shimano Asymmetric BCD for road cycling. \u003c\/li\u003e\n\u003cli\u003eCompatible with 130mm hubs and uses a 9\/16\" pedal spindle with Shimano Hollowtech II interface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42205668343875,"sku":"CKST2102","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK0647_72e2d08d-323b-42c1-9b20-52e080d59008.jpg?v=1773387320","url":"https:\/\/tecopecosafe.com\/products\/shimano-ultegra-fc-8100-12-speed-crankset-175-mm-double-12-speed-ckst2102-bicycle-crankset","provider":"365 Cycles","version":"1.0","type":"link"}