{"product_id":"shimano-ultegra-rd-r8000-rx812-grx-rear-derailleur-mech-pulley-set-replacement","title":"Shimano Ultegra RD-R8000\/RX812 GRX Rear Derailleur Mech Pulley Set Replacement","description":"\u003cp\u003eUpgrade your bike’s shifting precision with the Shimano Ultegra RD-R8000\/RX812 rear mech pulley set. Designed to fit a variety of Shimano rear derailleurs including Ultegra RD-R8000\/R8050, RX800\/RX805, GRX RD-RX812\/RX817, and XT M8000\/M8050, this genuine replacement ensures smooth and reliable gear changes. Regularly replacing your pulley wheels helps maintain optimal drivetrain performance and prolongs component life.\u003c\/p\u003e\n\n\u003cp\u003eThis set contains two high-quality pulley wheels crafted to meet Shimano’s exacting standards, providing seamless compatibility and durability. Perfect for cyclists aiming to keep their transmission system in top condition without compromising on performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eImproving shifting accuracy and smoothness\u003c\/li\u003e\n  \u003cli\u003eExtending the lifespan of your rear derailleur\u003c\/li\u003e\n  \u003cli\u003eEnsuring compatibility with multiple Shimano derailleur models\u003c\/li\u003e\n  \u003cli\u003eMaintaining optimal drivetrain performance through regular maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-Shimano or incompatible derailleur models\u003c\/li\u003e\n  \u003cli\u003eUse as a standalone component without rear derailleur\u003c\/li\u003e\n  \u003cli\u003eReplacement for front derailleur parts\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 pulley wheels periodically based on wear and shifting performance to keep your drivetrain functioning smoothly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these pulley wheels compatible with all Shimano derailleurs?\u003c\/strong\u003e\u003cbr\u003eThey are compatible with Ultegra RD-R8000\/R8050, RX800\/RX805, GRX RD-RX812\/RX817, and XT M8000\/M8050 models but not suitable for all Shimano derailleur types.\u003c\/p\u003e","brand":"Shimano Ultegra","offers":[{"title":"Default Title","offer_id":45478642319535,"sku":"Y3E998010","price":20.01,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1519836612-75653400.jpg?v=1768524562","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-ultegra-rd-r8000-rx812-grx-rear-derailleur-mech-pulley-set-replacement","provider":"Swinnerton Cycles","version":"1.0","type":"link"}