CeramicSpeed OSPW – The Ultimate Drivetrain Upgrade

Shop our Range of CeramicSpeed oversized pulley also known as jockey wheels cage kits for Shimano and Sram derailleurs. 
Used by world class professional cyclists and triathletes these oversized pulley wheels enhance smooth pedalling and shifting and increase efficiency. CeramicSpeed OSPW kits are the ideal choice for any serious cycling enthusiast or racer looking to enhance their performance.
Engineered with high grade ceramic bearings and a carbon fibre cage these pulleys offer significant drivetrain efficiency and watt savings, as well as offering aerodynamic benefits with their aerodynamic derailleur cage models and weight savings. These are the ideal choice for any serious cyclist.
Upgrade your ride and benefit from the free speed and stylish yet sleek look of these cage kits and standout on your training riders, cafe stops or at the start line of your next race.
Why Upgrade to a CeramicSpeed OSPW?
✔ Oversized pulley wheels (13/19T or 17/17T configurations) to reduce chain articulation and friction
✔ Hand-built high grade ceramic bearings for an ultra-smooth, low-resistance drivetrain
✔ Lightweight carbon-reinforced cages for optimal stiffness and durability
✔ Proven performance gains – save up to 2.4 watts over standard derailleur pulleys
✔ Compatible with SRAM Force and Red and Shimano Ultegra and Duraace derailleur systems.