{"product_id":"shimano-grx-fc-rx820-chainset-42t-single-12-speed-hollowtech-ii","title":"Shimano GRX FC-RX820 Chainset 42T - Single - 12-speed - Hollowtech II","description":"Wide array of options delivers optimal gravel gearing for variety of riders.\u003cbr\u003e\u003cbr\u003eThe SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range.\u003cbr\u003e\u003cbr\u003e \u003cul\u003e \u003cli\u003eOptimal gearing for mixed-terrain riding\u003c\/li\u003e \u003cul\u003e \u003cli\u003e10-45T and 10-51T cassette options serve array of riding styles\u003c\/li\u003e \u003c\/ul\u003e \u003c\/ul\u003e","brand":"Shimano GRX","offers":[{"title":"170mm","offer_id":43939730194589,"sku":"FCRX8201C2","price":123.95,"currency_code":"GBP","in_stock":true},{"title":"172.5mm","offer_id":43939655221405,"sku":"FCRX8201D2","price":114.0,"currency_code":"GBP","in_stock":true},{"title":"175mm","offer_id":43939785146525,"sku":"FCRX8201E2","price":114.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/9434\/1977\/files\/FC-RX820-1-12-40T-shic219-primary_1_750_750.jpg?v=1695914311","url":"https:\/\/www.bikeparts.co.uk\/products\/shimano-grx-fc-rx820-chainset-42t-single-12-speed-hollowtech-ii","provider":"BikeParts.co.uk","version":"1.0","type":"link"}