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 13-tooth upper and 19-tooth lower, aluminum pulley wheels
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Compatible with Dura Ace 9200 and Ultegra 8100 series (Fits 11-30 and 11-34 Shimano 12spd Cassette options)
- Four spring tension settings allow customized setup based on ride conditions
- Integrated stop tower for simple installation and durability
- keyword search:Â OSPWS
- Largest Cog:Â 34
- Fits Brand:Â Shimano
- Fits Model:Â Dura-Ace R9200 Series / Ultegra 8100 Series
- Drivetrain Speeds:Â 12
- Defined Color:Â Black
