{"product_id":"shimano-grx-fc-rx610-grx-chainset-46-30-double-12-speed-2-piece-design-172-5-mm","title":"Shimano GRX FC-RX610 Chainset 46 \/ 30 - Double - 12-Speed - 2 Piece Design - 172.5 mm","description":"Optimal gearing for spirited group rides and aggressive racing\u003cbr\u003e\u003cbr\u003eThe SHIMANO FC-RX610-2 balances weight savings and optimized efficiency for mixed-terrain riding and racing. Gearing options cater to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12-speed crank utilizes a 46-30T chainring combination and comes in 165, 170, 172.5, and 175 mm crank arm lengths.\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eSmaller gear steps for cadence control on mixed-terrain riding\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eGravel-optimized gear ratios preserve riding rhythm on rough surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eGear combination: 46-30T\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano GRX","offers":[{"title":"Default Title","offer_id":43939833446557,"sku":"FCRX6102D60","price":94.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/9434\/1977\/files\/fcrx61024630_de82e4a0-1657-4c11-9e67-741cb0e265d0.jpg?v=1695400597","url":"https:\/\/www.bikeparts.co.uk\/products\/shimano-grx-fc-rx610-grx-chainset-46-30-double-12-speed-2-piece-design-172-5-mm","provider":"BikeParts.co.uk","version":"1.0","type":"link"}