{"product_id":"shimano-fc-r8100-170mm-50-34t","title":"Shimano FC-R8100 170mm 50x34T","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eULTEGRA's new FC-R8100 crankset maintains the quick and precise front shifting and efficient power transfer of its predecessor, while offering a wider range of crank length options. With crank lengths now available from 160 mm to 175 mm, it caters to smaller riders, triathletes, and cyclists seeking shorter crank lengths.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eOptimized for stiffness, strength, weight, and rotational performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHollowglide structure maintains strength while reducing weight, enabling better power transfer and quicker, more precise front shifting.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAvailable with 52-36T and 50-34T gear options, and crank lengths of 160, 165, 170, 172.5, and 175 mm.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e●Product Specifications\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eQ-Factor: 148mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCompatible Chain: CN-M8100\u003c\/span\u003e","brand":"Grumpy Bike Shop","offers":[{"title":"Default Title","offer_id":44770555920686,"sku":null,"price":169177.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/products\/fc-r8100.jpg?v=1679378082","url":"https:\/\/www.grumpy.jp\/en\/products\/shimano-fc-r8100-170mm-50-34t","provider":"Grumpy Bike Shop","version":"1.0","type":"link"}