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 ID 
Spindel Type
 Shimano Hollowtech II 
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