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
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Compatible with Shimano GRX 810 & GRX 815, Shimano Ultegra RX 800 & Ultegra RX 805
- Cassette compatibility up to 11-36
- Four spring tension settings allow customized setup based on ride conditions
- CeramicSpeed products with coated bearings include a lifetime warranty
| Largest Cog | 36 |
| Fits Model | GRX 810 |
| Fits Model | GRX 815 |
| Fits Model | Ultegra RX 800 |
| Fits Model | Ultegra RX 805 |
| Fits Brand | Shimano |
| Drivetrain Speeds | 11 |
| Defined Color | Black |
| keyword search | OSPWS |
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