Description
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.
- Features 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Hardened steel bearing races
- Only compatible with Dura Ace 9100/9150 and Ultegra 8000-SS/8050-SS
- Not compatible with Ultegra 8000-GS or 8050-GS (medium cage) nor with the clutch equipped Ultegra RD RX800/RX805
| Largest Cog | 32 |
| Fits Model | Ultegra R8000-SS |
| Fits Model | Ultegra R8050-SS/GS |
| Fits Model | Dura-Ace R9100 |
| Fits Model | Dura-Ace R9150 |
| Fits Brand | Shimano |
| Drivetrain Speeds | 11 |
| Defined Color | Red |
| keyword search | OSPWS |
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