CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage CheckoutSpec= 2.0 x 15mm The CeramicSpeed BB30 bottom bracket

The CeramicSpeed BB30 bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings

but will create a surface with ridges (which some folks like for added grip)

} High quality replacement rotor for all 6-bolt disc brake options 4 piston brake rotor 2

Integrated USB-A connector (cable-free)

SEAQUALΓäó polyester produced from recycled plastic

CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage CheckoutSpec= 2.0 x 15mm The CeramicSpeed BB30 bottom bracketThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Defined Color Silver Drivetrain Speeds 12 Fits Brand Shimano Fits Model Ultegra 8100 Series Largest Cog 34 keyword search OSPWS