{"product_id":"ceramicspeed-ospw-rs-5-spoke-pulley-wheel-for-shimano-9250-8150","title":"CeramicSpeed OSPW RS 5-Spoke Pulley Wheel for Shimano 9250\/8150","description":"\u003cp\u003eThe CeramicSpeed OSPW RS 5-Spoke Pulley Wheel System is an oversized rear derailleur cage upgrade designed for Shimano Dura-Ace and Ultegra Di2 road drivetrains. Developed for road cycling and triathlon, it combines low-friction ceramic bearings, aluminium pulley wheels and a reinforced cage to improve drivetrain efficiency while maintaining reliable shifting performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEfficient Drivetrain.\u003c\/strong\u003e The oversized pulley arrangement reduces chain articulation around the derailleur, helping minimise drivetrain friction. Hand-built CeramicSpeed bearings support smooth pulley rotation, while the aluminium pulleys feature an open-spoke design that complements modern road groupsets.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReinforced Construction.\u003c\/strong\u003e The OSPW RS features a redesigned, angular cage engineered for improved strength and durability. Adjustable spring tension settings allow the system to be configured for the drivetrain, while its frame-specific mounting design ensures compatibility with the intended Shimano rear derailleurs. The complete system replaces the original derailleur cage and pulley assembly.\u003c\/p\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":48142845804705,"sku":"113486","price":51750.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/5869\/2257\/files\/ceramicspeed-ospw-rs-5-spoke-pulley-wheel-for-shimano-9250-8150-1.png?v=1793066879","url":"https:\/\/www.thebikeaffair.com\/products\/ceramicspeed-ospw-rs-5-spoke-pulley-wheel-for-shimano-9250-8150","provider":"The Bike Affair","version":"1.0","type":"link"}