Wheels MFG Threaded BB30A Outboard Bottom Bracket for Shimano Groupe Thomson stems are the strongest

Thomson stems are the strongest in the industry

springs and grease

Other advancements include a new inner plate finish plus chrome hardened pin construction

Perfect for cyclists who love all kinds of riding – but especially for those who love to get grit

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Wheels MFG Threaded BB30A Outboard Bottom Bracket for Shimano Groupe Thomson stems are the strongestThe 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