BB30A 24mm Bottom Bracket

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The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance.Specifically designed f or 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.Attributes BB Shell Type BB30A BB Shell Width 73mm BB Bearing ABEC 3 Crank Spindle Diameter 24mm Interface 24mm Cup Diameter 42mm Primary Color Black Show more