Wheels MFG BB30 Outboard ABEC-3 Bottom Bracket for Shimano BF PSI The signature Feedback Sports Red

The signature Feedback Sports Red Anodized Aluminum body is lightweight and strong and can be used just as you would any 2-way ratchet

Armed against pinch flats with the patent pending Wide Hookless Bead

Bearings: Enduro Angular Contact ABEC-5

They save weight because they don't need the spider and chainring bolts

Hyper Accurate CNC Construction

Wheels MFG BB30 Outboard ABEC-3 Bottom Bracket for Shimano BF PSI The signature Feedback Sports RedTwo 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. Specifications Bearings: Enduro ABEC 3 Color: