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, Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Four spring tension settings allow customized setup based on ride conditions
- Only compatible with the ‘2X-specific’ GRX 810, GRX 815, as well as the RX800, and RX805 derailleurs
- Cassette compatibility up to 11-36t
- CeramicSpeed products with coated bearings include a lifetime warranty
