Wheels Manufacturing BB30A Outboard Bottom Bracket

Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear.

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 adapters.

Weight 199grams
BB Shell width 73mm
BB Shell ID42mm
Spindel TypeShimano Hollowtech II