{"product_id":"shimano-grx-12speed-chainwheel-fc-rx820-2-170mm-48x31t","title":"SHIMANO GRX 12SPEED CHAINWHEEL FC-RX820-2","description":"\u003cp\u003eThe SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe 17t range covers an array of riding conditions\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmaller gear steps for cadence control on mixed-terrain riding\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHollowtech II crank arms provide strength and stiffness with the benefit of weight savings\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with HG 12-speed chains\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e47mm chainline\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e151mm Q-factor\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNumber of Chainrings: Double\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChainline\/Hub Compatibility: 135\/142 Road Disc Hubs \u0026gt; 415 mm Chainstay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePedal Spindle: 9\/16\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCrank Intended Use: Gravel\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRings: 48\/31T\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpindle Interface Type: Shimano Hollowtech II\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDrivetrain Speeds: 12\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChainring BCD: 110 Shimano Asymmetric, 80 Shimano Asymmetric\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBB Included: No\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 710g.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"172.5MM-48X31T","offer_id":46675080413378,"sku":"IFCRX8202DX81","price":159.0,"currency_code":"USD","in_stock":false},{"title":"175MM-48X31T","offer_id":46675080446146,"sku":"IFCRX8202EX81","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/8639\/8914\/files\/IFCRX8202CX81.png?v=1753342502","url":"https:\/\/barquebike.com\/en-nl\/products\/shimano-grx-12speed-chainwheel-fc-rx820-2-170mm-48x31t","provider":"Barquebike","version":"1.0","type":"link"}