CERAMICSPEED OVERSIZED PULLEY WHEEL SYSTEM FOR SHIMANO 9100/9150

The CeramicSpeed Oversized Pulley Wheels 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 9100/9150 and 8000 SS/8050 SS 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 come fitted with either standard or coated CeramicSpeed Bearings.

Please note: The OSPW System for 9100/9150 and 8000 SS/8050 SS is NOT compatible with Ultegra 8000-GS (long cage) nor with the clutch equipped Ultegra RD RX800 & RX805. Please see our Shimano 11 Speed Pulley Wheels for a compatible upgrade.

The Shimano 9100/8000 OSPW system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailluers compatibility: Shimano Ultegra RS8000-SS, Ultegra R8050-SS, Ultegra R8050-GS, Dura-Ace R9100, Dura-Ace R9150
largest cog: 32t
Features a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimization of the rear derailleur
Precision machined aluminum pulleys are durable and lightweight
Carbon fiber cage
Includes an integrated stop tower for easier mounting
Compatible with 9100/9150 and 8000 series - exception being the R8000 GS (long cage) or clutch equipped Ultegra RD RX800 and RX805