Wheels MFG Threaded BB30A Outboard Bottom Bracket for Shimano AI is designed for alloy rims

is designed for alloy rims and provides superior power

Thanks to the addition of microscopic silicate particles

0mm Thickness

Recommended 1-2oz per Road tyre

The stem plays a key role by connecting your bike to your handlebars and it must manage all the forces that you the rider put into your bike

Wheels MFG Threaded BB30A Outboard Bottom Bracket for Shimano AI is designed for alloy rimsThe 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 Cannondale BB30A (42mm ID, 73mm wide asymmetrical BB shell) frames without the need for any