CeramicSpeed SRAM OSPW System
- Proven to be the fastest pulley system, chosen by many of the world's leading cycling teams and professional triathletes
- Optimized tooth designs offer 3-5 times longer life than standard OE pulleys
- Standard: low drag with hardened steel races and ceramic ball bearings
- Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion
- In the box: complete upper and lower OSPW system, 15ml CeramicSpeed Bearing Oil dropper bottle, and custom installation tool