{"product_id":"shimano-ultegra-fc-r8100-2x12-speed-crankset","title":"Shimano Ultegra FC-R8100 2x12-Speed Crankset","description":"\u003cp\u003e\u003cstrong\u003eSpecial order.\u003c\/strong\u003e Contact Mad Duck Cyclery for supplier availability and estimated delivery.\u003c\/p\u003e\u003cp\u003eHollow aluminum HOLLOWTECH II crank arms and HOLLOWGLIDE chainrings for Shimano 2x12-speed road drivetrains. Choose crank length and chainring combination. Uses a 24mm spindle; a compatible bottom bracket is sold separately.\u003c\/p\u003e\u003cp\u003eManufacturer images are representative; selected size, side, or gearing may differ visually.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/productinfo.shimano.com\/en\/product\/FC-R8100\"\u003eShimano specifications\u003c\/a\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"160mm \/ 50\/34T","offer_id":46202392870995,"sku":"IFCR8100MX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"165mm \/ 50\/34T","offer_id":46202392903763,"sku":"IFCR8100AX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"170mm \/ 50\/34T","offer_id":46202392936531,"sku":"IFCR8100CX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"172.5mm \/ 50\/34T","offer_id":46202392969299,"sku":"IFCR8100DX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"175mm \/ 50\/34T","offer_id":46202393002067,"sku":"IFCR8100EX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"160mm \/ 52\/36T","offer_id":46202393034835,"sku":"IFCR8100MX26","price":365.0,"currency_code":"USD","in_stock":true},{"title":"165mm \/ 52\/36T","offer_id":46202393067603,"sku":"IFCR8100AX26","price":365.0,"currency_code":"USD","in_stock":true},{"title":"170mm \/ 52\/36T","offer_id":46202393100371,"sku":"IFCR8100CX26","price":365.0,"currency_code":"USD","in_stock":true},{"title":"172.5mm \/ 52\/36T","offer_id":46202393133139,"sku":"IFCR8100DX26","price":365.0,"currency_code":"USD","in_stock":true},{"title":"175mm \/ 52\/36T","offer_id":46202393165907,"sku":"IFCR8100EX26","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5691\/9379\/files\/shimano-fc-r8100.jpg?v=1788952424","url":"https:\/\/madducksports.com\/products\/shimano-ultegra-fc-r8100-2x12-speed-crankset","provider":"Mad Duck Cyclery","version":"1.0","type":"link"}