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 a 15-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimization of the rear derailleur
- Fits cassettes from 10 to 33-tooth
- Robust cage crafted from carbon reinforced polyamide for durability and light weight
- Two spring tension settings allow customized setup based on ride conditions