CeramicSpeed Oversized Pulley Wheel System 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:
- 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
Specifications:
- Compatibility: Ultegra R8000-SS , Ultegra R8050-SS/GS , Dura-Ace R9100 , Dura-Ace R9150
- Speeds: 11 Speed
- Max Cog: 32T
- Color: Black
This product was added to our catalog on October 6, 2022