Wheels Manufacturing Pressfit 30 To Outboard Ceramic Bearings 24 mm Black

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The PF30 Outboard bottom bracket will give you all of the same benefits as a well-loved Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains 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 PF30 (46mm ID BB shell) frames without the need for any adapters.