Wheels Manufacturing, PF30 Threaded BB ACB Angular Contact Bearings

Description

* Machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame* No more creaking, smoother operation, longer bearing life, and really quick bearing replacement* Directly replaces all OEM PF30 bottom brackets* Uses 16 notch bottom bracket tools (FSA MegaEvo and Park ToolBBT-29)