- Proven to be the fastest pulley system, chosen by many of the world’s leading cycling teams and professional triathlete
- Optimized tooth designs offer 3-5 times longer life than standard OE pulleys
- Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion
- Standard: low drag with hardened steel races and ceramic ball bearings
- 9100/9150/8000 SS/8050SS is not compatible with 8000-GS or 8050-GS, use Shimano 11sp system
- 9100/9150/8000 SS/8050SS is not compatible with RX800/805, use Shimano RS80/805 system
- In the box: complete upper and lower OSPW system, 15ml CeramicSpeed Bearing Oil dropper bottle
| Specs: | |
|---|---|
| Model: | standard |
| Fitment: | 12sp XTR/XT |
| Upper Lower: | 14/18 tooth |
| Color: | black |





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