Product Description
The Sram DUB bottom bracket has an internal diameter of 28.99 only compatible with DUB axles. Details: Aluminum material. Compatible with Cannondale Ai 73 mm case Internal frame diameter: 34.75 mm (to be screwed) Assembly: requires a 12 notch 46mm wrench or adapter. Reference: 00.6418.031.001 / AM BB DUB English / BSA (MTB) 73mm Cannondale Ai