{"product_id":"shimano-grx-fc-rx820-1-42t-single-chainring-for-12-speed-1x-drivetrain","title":"Shimano GRX FC-RX820-1 42T Single Chainring for 12-Speed 1X Drivetrain","description":"\u003cp\u003eThe Shimano GRX FC-RX820-1 42T single chainring is expertly crafted to deliver outstanding performance for your 12-speed drivetrain. Designed specifically for Shimano’s GRX 1X cranksets, this chainring blends lightweight aluminum construction with anodised teeth to enhance durability and maintain sharpness over time. Its innovative thick-thin tooth profile ensures superior chain retention, allowing for smooth and reliable pedaling even in challenging off-road or muddy conditions.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with Shimano’s HG+ 12-speed chains, this chainring optimizes power transfer and shifting precision under high loads, providing a responsive and efficient ride. Whether you’re replacing worn components or upgrading your setup, the FC-RX820-1 chainring offers a perfect balance of rigidity and lightness to support your cycling adventures.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReliable replacement for worn or damaged Shimano GRX 1X chainrings\u003c\/li\u003e\n  \u003cli\u003eEnhanced chain retention for smooth pedaling in tough terrain\u003c\/li\u003e\n  \u003cli\u003eOptimized for Shimano HG+ 12-speed chains for efficient power transfer\u003c\/li\u003e\n  \u003cli\u003eLightweight aluminum with anodised teeth for lasting durability\u003c\/li\u003e\n  \u003cli\u003ePrecise shifting performance under high loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with non-Shimano 12-speed drivetrains\u003c\/li\u003e\n  \u003cli\u003eNot compatible with multi-chainring setups\u003c\/li\u003e\n  \u003cli\u003eUnsuitable for 11-speed or lower-speed systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Shimano GRX FC-RX820-1 chainring compatible with all Shimano GRX cranksets?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for the FC-RX820 1X cranksets and may not fit other Shimano GRX models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this chainring with non-Shimano chains?\u003c\/strong\u003e\u003cbr\u003eFor optimal performance, it’s recommended to use Shimano HG+ 12-speed chains with this chainring.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Default Title","offer_id":45478493061295,"sku":"Y0SB98020","price":60.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1731600338-28732500.jpg?v=1768521927","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-fc-rx820-1-42t-single-chainring-for-12-speed-1x-drivetrain","provider":"Swinnerton Cycles","version":"1.0","type":"link"}