Titanium OSPW for Shimano 9100/9150 & 8000/8050

Lightweight machined titanium version of the popular OSPW for SHimano 9100/9150 & 800/8050 for even longer lifetime and durability. This is an exclusive offering from a special project on material application and study.

This is an updated version of the Oversized Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS. Mounting instructions for both this and the older version are to be found under our Support section. This new design has an integrated stop tower for easier mounting.

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 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 9100/9150 and 8000 SS/8050 SS is NOT compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs, nor with the clutch equipped Ultegra RD RX800 & RX805. Please see our OSPW X for Shimano RX800/805 for a compatible RX800 & RX805 version. For a compatible upgrade for Ultegra 8000-GS or 8050-GS please see our Pulley Wheels for Shimano, 11s NW.

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

In The Box

• A complete 13-tooth/19-tooth OSPW System
• CeramicSpeed Bearing Oil in 15ml dropper bottle

Technical Data

Pulley Wheels: CeramicSpeed 13-tooth upper and 19-tooth lower

Pulley Wheel Material: Titanium

Cage Marterial: Carbon reinforced PA

Bearing Options: CeramicSpeed Coated Bearings

CeramicSpeed Pulley Wheel Oil, 15 ml. dropper bottle

Compatibility: Shimano 9100/91050 & 8000/8050

Please note: The OSPW System for 9100/9150 and 8000 SS/8050 SS is NOT compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs, nor with the clutch equipped Ultegra RD RX800 & RX805. Please see our OSPW X for Shimano RX800/805 for a compatible RX800 & RX805 version. For a compatible upgrade for Ultegra 8000-GS or 8050-GS please see our Pulley Wheels for Shimano, 11s NW.

Compatibility Cassette: Fit cassettes up to a 11-32 range

Spring Tension Settings: 4 spring

Speed: 11 speed

Discipline: Road and Gravel/Cross