{"product_id":"shimano-ultegra-fc-8100-12-speed-crankset-170-mm-double-12-speed-ckst2099-bicycle-crankset","title":"Shimano Ultegra R8100 12-Speed Crankset 50\/34t Hollowtech II 170mm","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eThe Shimano Ultegra FC-R8100 crankset is designed for 12-speed road bikes. It features a 170mm crank length and a 50\/34 tooth double chainring combination. Built with Shimano's Hollowtech II spindle interface, this crankset offers a 148mm Q-factor and a 44.5mm chainline, compatible with 130mm hubs. Made with a Hollowglide structure, it balances stiffness, strength, and weight to ensure efficient power transfer and precise front shifting. The crankset is black in color and intended for road use. Please note that the bottom bracket is not included.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 12-speed road drivetrains, the Shimano Ultegra FC-R8100 crankset delivers seamless front shifting. \u003c\/li\u003e\n\u003cli\u003eFeatures a double chainring setup with 50\/34 tooth configuration for versatile gearing. \u003c\/li\u003e\n\u003cli\u003eConstructed with Hollowglide structure to reduce weight while maintaining strength and stiffness. \u003c\/li\u003e\n\u003cli\u003eCompatible with 130mm hubs and uses a 110 Shimano Asymmetric chainring BCD. \u003c\/li\u003e\n\u003cli\u003eCrank length is 170mm with a 148mm Q-factor and 44.5mm chainline for optimized fit and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42205666967619,"sku":"CKST2099","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK0647_d87c18fe-72fc-4f7e-9b5f-46eefeee5144.jpg?v=1773385156","url":"https:\/\/tecopecosafe.com\/products\/shimano-ultegra-fc-8100-12-speed-crankset-170-mm-double-12-speed-ckst2099-bicycle-crankset","provider":"365 Cycles","version":"1.0","type":"link"}