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CeramicSpeed OSPW Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 - Alloy Pulley Carbon Cage Black. 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.
- TECH SPECS
| Defined Color | Black |
| Drivetrain Speeds | 12 |
| Fits Brand | Shimano |
| Fits Model | Dura-Ace R9200 Series |
| Fits Model | Ultegra 8100 Series |
| Largest Cog | 34 |
| keyword search | OSPWS |