The CeramicSpeed Oversized Pulley Wheel System has been proven to be the fastest pulley system in the world, providing energy savings starting from 2.4 watts over standard Shimano systems.
The OSPW System for Shimano 9100/8000 is an industry leading product, chosen by many of the world’s leading cycling teams and professional triathlete’s.
Featuring a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimisation of the rear derailleur. The upper and lower oversized aluminium pulley wheels are fitted with coated CeramicSpeed Bearings.
Please note: The 9100/8000 system is not compatible with Ultegra 8000-GS (long cage) or clutch equipped Ultegra RD RX800 & RX805. Please see our Shimano 11 Speed Pulley Wheels for a compatible upgrade.
In The Box
A complete 3D printed 13-tooth/19-tooth OSPW System
CeramicSpeed Bearing Oil in 15ml dropper bottle