{"product_id":"shimano-grx-rd-rx825-rx820-rear-derailleur-pulley-set-replacement-kit","title":"Shimano GRX RD-RX825\/RX820 Rear Derailleur Pulley Set Replacement Kit","description":"\u003cp\u003eEnsure your Shimano GRX RD-RX825 or RD-RX820 rear derailleur performs at its best with this genuine pulley set. Designed specifically for GRX rear derailleurs, this replacement guide and tension pulley set helps maintain smooth and precise shifting. Regularly updating your pulley wheels enhances drivetrain efficiency and prolongs component life.\u003c\/p\u003e\n\n\u003cp\u003eThis set includes two high-quality pulley wheels, engineered by Shimano to deliver consistent performance and durability. Easy to install, they are an essential maintenance item for any serious cyclist using GRX components.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRestoring optimal shifting performance on GRX RD-RX825\/RD-RX820 derailleurs\u003c\/li\u003e\n  \u003cli\u003eMaintaining drivetrain efficiency and smooth gear changes\u003c\/li\u003e\n  \u003cli\u003eProlonging the lifespan of your rear derailleur components\u003c\/li\u003e\n  \u003cli\u003eProviding a genuine, reliable Shimano replacement part\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-GRX Shimano rear derailleurs\u003c\/li\u003e\n  \u003cli\u003eCompatibility with front derailleurs or other drivetrain brands\u003c\/li\u003e\n  \u003cli\u003eImproving shifting if derailleur or cable adjustment issues exist\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the pulley wheels?\u003c\/strong\u003e\u003cbr\u003eIt's recommended to replace the pulley wheels periodically depending on your riding conditions to maintain smooth shifting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these pulleys compatible with other Shimano models?\u003c\/strong\u003e\u003cbr\u003eThis set is specifically designed for the GRX RD-RX825 and RD-RX820 rear derailleurs and may not fit other models.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Default Title","offer_id":45478659588271,"sku":"Y3JS98010","price":17.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1731600729-54138800.jpg?v=1768524588","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-rd-rx825-rx820-rear-derailleur-pulley-set-replacement-kit","provider":"Swinnerton Cycles","version":"1.0","type":"link"}