{"product_id":"fc-rx820-2-chainring-31t-one","title":"FC-RX820-2 CHAINRING 31T ONE","description":"\u003cp\u003eThe Shimano FC-RX820-2 31t Inner Chainring is the stock replacement inner ring for Shimano's GRX 820 2x12-speed crankset. Machined from anodized aluminum and built to Shimano's 80mm asymmetric BCD, it restores a worn drivetrain to factory spec without requiring a full crankset replacement.\u003c\/p\u003e\n\n\u003cp\u003eThis chainring covers the smaller end of a 2x12 GRX setup, pairing with the 48t outer ring to provide a compact low-end gear range well suited to climbing and variable terrain. Compatibility is specific to the FC-RX820-2 crankset, so confirming your exact crankset model before ordering is worthwhile.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuick Facts\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #F2F2F2; text-align: left;\"\u003e\n      \u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n      \u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eShimano GRX FC-RX820-2 cranksets\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBCD\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e80mm Shimano Asymmetric (inner position)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eAnodized aluminum\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTooth Count\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e31t\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDrivetrain Speeds\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12-speed\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":43310476984383,"sku":"210000138564","price":53.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0066\/2283\/8853\/files\/fc-rx820-2-chainring-31t-one-parts-chainrings-1244720506.png?v=1781651553","url":"https:\/\/bici.cc\/fr\/products\/fc-rx820-2-chainring-31t-one","provider":"Bici","version":"1.0","type":"link"}