US$ 150.00
Black anodized aluminum
They save weight because they don't need the spider and chainring bolts
Hyper Accurate CNC Construction
Armed against pinch flats with the patent pending Wide Hookless Bead
Materials: Cupro Aluminium
Wheels MFG BB30 Outboard ABEC-3 Bottom Bracket for Shimano BF PSI Black anodized aluminumTwo 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: