CeramicSpeed OSPW Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races Alloy Pulley Carbon Cage White Cerakote. 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 | White |
| Drivetrain Speeds | 12 |
| Fits Brand | Shimano |
| Fits Model | Dura-Ace R9200 Series |
| Fits Model | Ultegra 8100 Series |
| Largest Cog | 34 |