Two machined aluminum cups thread together keeping the bottom bracket stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement.
Specifically designed for installing 24.00mm spindle diameter cranks (Shimano, Etc.) in BB30 (42mm ID BB shell) frames without the need for any adapters.
Compatible with the following Bottom Bracket Standards (42mm BB shell inner diameter):
- Specialized Alloy OSBB.
Compatible with 24.00mm spindle diameter cranksets.*
*Note: FSA MegaExo spindles can be between 24.00mm and 24.07mm in diameter. If your FSA spindle is 24.07mm, this BB will not work!
Bearings: Enduro Angular Contact
Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB
Bottom Bracket Shell Width: 68mm - 73mm
Bottom Bracket Shell I.D.: 42mm
Over Bearing Width: 90.5mm in 68mm wide shell*
Crank Spindle Diameter: 24.00mm
Tool Pattern: 44mm, 16-notch
- Packaged for retail display
* Over Bearing Width Dimensions include supplied silicone dust shields.