CeramicSpeed OSPW RS Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Aluminum Pulley Carbon Cage BLK Model=BBT PressFit 2 Max Height 250 Defined GL00521

CeramicSpeed OSPW RS Pulley Wheel System Shimano Dura Ace 9250 Ultegra 8150 Aluminum Pulley Carbon Cage BLK Model=BBT PressFit 2 Max Height 250 Defined GL00521 2 Max Height 250 Defined Color Black Clamp Style Std Rails Offset (mm) 8 Width 73mm BB Interface BB30A Spindle Type Sram GXP 24 22mm Length Cup Material Alloy Weight 129g Cup Type Cup OD Bearing OD Color Black The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design Largest Cog 34 Fits Model Ultegra 8150 Fits Brand Shimano Drivetrain Speeds 12 Defined Color Black