The Sram DUB bottom bracket has an internal diameter of 28.99 mm and is only compatible with DUB axles.

Details:

• Material: Aluminum/Steel
• Internal frame diameter: 41 mm
• Weight: 71 g

If your bike creaks when you press hard on the pedals, or if the movement of the crankset has lost its fluidity or developed some play, it may be time to change your bottom bracket. Like all parts of your bike, the bottom bracket and its bearings are subject to wear.

Replacing it is a straightforward operation if properly prepared. However, the variety of standards for bearings, bottom brackets, and frames can be confusing. It is essential to identify which crankset you want to fit into which frame.

Specifications:

• Box width: 86.5 mm
• Case standard: PressFit DUB
• Internal case diameter: 41 mm
• Bearing quality: Steel
• Bottom bracket axle: 28.99 mm
• Crankset standard: Sram DUB.