{"product_id":"shimano-grx-fc-rx820-1-left-hand-crank-arm-172-5mm-replacement-part-for-road-gravel-bikes","title":"Shimano GRX FC-RX820-1 Left Hand Crank Arm 172.5mm Replacement Part for Road \u0026 Gravel Bikes","description":"\u003cp\u003eThe Shimano GRX FC-RX820-1 left hand crank arm, 172.5 mm, offers reliable performance and durability as a genuine replacement part. Designed for smooth transmission and efficient pedaling, it ensures optimal compatibility with your Shimano drivetrain.\u003c\/p\u003e\n\n\u003cp\u003eCrafted with precision, this crank arm enhances ride stability and power transfer, making it essential for maintaining your bike’s performance. Its robust construction guarantees long-lasting use even under demanding conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacing damaged or worn left crank arm\u003c\/li\u003e\n  \u003cli\u003eEnsuring smooth and efficient pedaling\u003c\/li\u003e\n  \u003cli\u003eMaintaining Shimano drivetrain compatibility\u003c\/li\u003e\n  \u003cli\u003eImproving power transfer and ride stability\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 cranksets\u003c\/li\u003e\n  \u003cli\u003eRight side crank arm replacement\u003c\/li\u003e\n  \u003cli\u003eCrank arms of differing lengths\u003c\/li\u003e\n  \u003cli\u003eApplications outside road or gravel bike setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this crank arm compatible with all Shimano GRX models?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for the FC-RX820-1 series and may not fit other GRX models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install this crank arm myself?\u003c\/strong\u003e\u003cbr\u003eYes, with basic bike maintenance tools and knowledge, installation is straightforward, but professional installation is recommended for optimal performance.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Default Title","offer_id":45478531236015,"sku":"Y0SB98040","price":84.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1731600364-65434000.jpg?v=1768522279","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-fc-rx820-1-left-hand-crank-arm-172-5mm-replacement-part-for-road-gravel-bikes","provider":"Swinnerton Cycles","version":"1.0","type":"link"}