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 14-tooth upper and 18-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Compact cage design allows the use of the same length chain as stock pulleys
- Two spring tension settings allow customized setup based on ride conditions
- Only compatible with 1X specific derailleurs - XTR M9100-SGS/GS and Shimano XT M8100-SGS
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Cerakote coated aluminum pulley wheels
- CeramicSpeed products with coated bearings include a lifetime warranty