
The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.
- Defined Color: Silver
- Drivetrain Speeds: 11
- Fits Brand: Shimano
- Fits Model: Ultegra R8000-SS
- Fits Model: Ultegra R8050-SS/GS
- Fits Model: Dura-Ace R9100
- Fits Model: Dura-Ace R9150
- Largest Cog: 32
- keyword search: OSPWS