Ceramicspeed Oversized OSPW Coated Shimano Dura Ace 9100 rear derailleur cage and pulley

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 is an industry leading product, chosen by many of the world's leading cycling teams and professional triathletes. 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 is NOT compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs, nor with the clutch equipped Ultegra RD RX800 & RX805. Please note while there is design similarities this OSPW is not compatible with the 12-speed Shimano 9200 or 8100 series derailleurs. For more clarity on compatibility, visit the official CeramicSpeed website.

Features

• The Shimano 9100 OSPW system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailluers
• The overall power savings of the OSPW System for Shimano 9100 reach 30%-60%, or more in some cases, over a stock setup
• The Shimano 9100 OSPW system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailluers

Included

• Complete 13-tooth/19-tooth OSPW System
• CeramicSpeed Oil for Pulley Wheel Bearings, 15ml. dropper bottle