{"product_id":"shimano-grx-fc-rx610-chainset-38t-single-12-speed-2-piece-design","title":"Shimano GRX FC-RX610 Chainset 38T - Single - 12-Speed - 2 Piece Design","description":"\u003cp\u003eArray of options delivers optimal gravel gearing for variety of needs\u003cbr\u003e\u003cbr\u003eThe SHIMANO FC-RX610-1 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 38T or 40T chainring, riders can choose closer gear steps or ultimate range depending on personal need. The FC-RX610-1 comes in 165, 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.\u003c\/p\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 \u003cbr\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"165mm","offer_id":43939773186205,"sku":"FCRX6101AA8","price":89.23,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":43939744645277,"sku":"FCRX6101CA8","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"172.5mm","offer_id":43939644702877,"sku":"FCRX6101DA8","price":149.99,"currency_code":"GBP","in_stock":true},{"title":"175mm","offer_id":43939795271837,"sku":"FCRX6101EA8","price":142.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/9434\/1977\/files\/fcrx610138_bc2d993a-061e-44a0-b203-cf78bd04284e.jpg?v=1695400797","url":"https:\/\/www.bikeparts.co.uk\/products\/shimano-grx-fc-rx610-chainset-38t-single-12-speed-2-piece-design","provider":"BikeParts.co.uk","version":"1.0","type":"link"}