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Our best solution for replacing OEM PF30 bottom brackets or for new bike builds. The two machined aluminum cups thread together keeping the bottom bracket stable in the frame, increasing bearing life, and simplifying maintenance.
Our best solution for replacing OEM PF30 bottom brackets or for new bike builds. The 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.
* Specialized Carbon OSBB with 61mm shell width will need additional cup spacers.
- Over Bearing Width Dimensions include supplied silicone dust shields.
Compatible with the following Bottom Bracket Standards (46mm BB shell inner diameter):
Compatible with 30mm spindle diameter cranksets.
Note: if your BB shell is slightly oversize, two BB wrenches may be required to fully tighten cups in frame.