{"product_id":"ceramicspeed-ospw-system-shimano-grx-ultegra-rx-2x11-pulley-jockey-wheels","title":"CeramicSpeed OSPW System Shimano GRX Ultegra RX 2x11 Pulley Jockey Wheels","description":"\u003cp\u003eExperience enhanced drivetrain efficiency with the CeramicSpeed OSPW System designed specifically for Shimano GRX and Ultegra RX 2x11-speed setups. Featuring a 13-tooth upper and 19-tooth lower pulley wheel combination, this system has been rigorously tested and proven in demanding races such as Paris-Roubaix, Strade Bianche, and CX World Cups. Crafted for gravel and cyclocross disciplines, it delivers exceptional durability, reduced friction, and extended longevity to keep your bike performing at its best.\u003c\/p\u003e\n\n\u003cp\u003eThe OSPW System incorporates a custom molded carbon fiber cage that balances lightweight design with robustness. Its four spring tension settings provide personalized adjustment options, allowing you to optimize performance based on varying ride conditions. With CeramicSpeed’s precision engineering, this system reduces friction by 35-40% compared to stock pulley configurations, translating into smoother shifting and more efficient power transfer on every ride.\u003c\/p\u003e\n\n\u003cp\u003eIncluded in the package is the complete OSPW System for Shimano GRX\/RX 2x11, along with CeramicSpeed Pulley Oil and a sticker sheet for customization. Compatible with Shimano GRX 810, GRX 815, Ultegra RX 800, and Ultegra RX 805, this system supports cassette ranges up to 11-36 teeth. Please note, it is designed exclusively for 2x systems and is not compatible with 42-tooth cassettes.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSignificantly reducing drivetrain friction for smoother, more efficient pedaling\u003c\/li\u003e\n  \u003cli\u003eEnhancing performance in gravel and cyclocross riding disciplines\u003c\/li\u003e\n  \u003cli\u003eOffering customizable spring tension to adapt to different terrain and riding styles\u003c\/li\u003e\n  \u003cli\u003eProviding durable, lightweight construction with carbon fiber cage and aluminum pulleys\u003c\/li\u003e\n  \u003cli\u003eSupporting Shimano 2x11 GRX and Ultegra RX groupsets with optimal compatibility\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 1x drivetrain systems\u003c\/li\u003e\n  \u003cli\u003eCompatibility with 42-tooth cassettes or larger\u003c\/li\u003e\n  \u003cli\u003eApplications outside gravel, cyclocross, or similar off-road disciplines\u003c\/li\u003e\n  \u003cli\u003eRiders seeking a standard stock pulley wheel setup without friction reduction enhancements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this system compatible with Shimano 1x drivetrains?\u003c\/strong\u003e\u003cbr\u003eNo, the CeramicSpeed OSPW System is specifically designed for 2x11-speed Shimano GRX and Ultegra RX setups and is not compatible with 1x systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with a cassette larger than 36 teeth?\u003c\/strong\u003e\u003cbr\u003eThis system supports cassette ranges up to 11-36 teeth and is not compatible with 42-tooth or larger cassettes.\u003c\/p\u003e","brand":"CeramicSpeed","offers":[{"title":"Black","offer_id":45478626656431,"sku":"108529","price":439.99,"currency_code":"GBP","in_stock":false},{"title":"Red","offer_id":45478626689199,"sku":"108530","price":439.99,"currency_code":"GBP","in_stock":false},{"title":"Blue","offer_id":45478626721967,"sku":"110567","price":365.0,"currency_code":"GBP","in_stock":false},{"title":"Gold","offer_id":45478626754735,"sku":"110198","price":439.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1636559590-51992800.jpg?v=1768524470","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/ceramicspeed-ospw-system-shimano-grx-ultegra-rx-2x11-pulley-jockey-wheels","provider":"Swinnerton Cycles","version":"1.0","type":"link"}