Derailleur clevis OSPW Shimano 9100/R8000

This is an updated version of the oversized pulley system for Shimano 9100/9150 and 8000 SS/8050 SS with unique ceramic coated pulleys. The Cerakote coating provides an exceptionally durable surface finish. Mounting instructions for this version and the previous version can be found in our Support section.
This new model features an integrated stop tower for easy mounting.

The CeramicSpeed Oversized Pulley Wheels system has been proven to be the most rapide pulley system in the world, offering energy savings of as much as 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 top cycling teams and professional triathletes premier.

It features a 13-tooth upper pulley and a 19-tooth lower pulley for absolute rear derailleur optimization. The oversized aluminum upper and lower pulleys are equipped with standard or coated CeramicSpeed bearings.

Note: The OSPW system for 9100/9150 and 8000 SS/8050 SS is NOT compatible with Ultegra8000-GS or 8050-GS (medium cage) derailleurs or Ultegra RD RX800 and RX805 derailleurs with a clutch. Please see our OSPW X for Shimano RX800/805 for an RX800 & RX805 compatible version. For a compatible upgrade for Ultegra 8000-GS or 8050-GS, please see our pulley wheels for Shimano, 11s NW.

Please note that, despite the similarities in design, this OSPW is not compatible with the Shimano 9200 or 8100 12-speed derailleurs.

The Shimano 9100/8000 OSPW system is compatible with up to a 32 tooth cassette for Dura Ace and Ultegra derailleurs.

In the box

• Complete OSPW system 13 teeth/19 teeth


• Oil CeramicSpeed for pulley wheel bearings, dropper bottle of 15ml.