Sram DUB Road Cannondale bottom bracket

Sram have announced a major revision to their mountain bike bottom brackets, a change that's intended to increase its longevity, as well as simplify the lineup. Called DUB (Durable Unified Bottom bracket), the most significant update is the change to a 28.99 mm spindle. With DUB, they now offer four bottom brackets that will fit all of the existing frame standards.

Features

• Sram DUB™ is the single replacement for 30 mm and 24 mm BB spindles options.
• DUB™ bottom brackets fit all frame shell standards.
• DUB™ does not introduce any new frame shell standards.

BB30-73-A Road

• Press Fit bottom bracket 73 mm without thread.
• Internal diameter: 42 mm.
• Spindle: DUB (28.9 mm).
• Gutter Seal Technology.
• Sealed cartridge bearings.
• Seals included.

BB30-83-A Road Ai

• Press Fit bottom bracket 83 mm without thread.
• Internal diameter: 42 mm.
• Spindle: DUB (28.9 mm).
• Gutter Seal Technology.
• Sealed cartridge bearings.
• Seals included.

PF30-73-A Road

• Press Fit bottom bracket 73 mm without thread.
• Internal diameter: 46 mm.
• Spindle: DUB (28.9 mm).
• Gutter Seal Technology.
• Sealed cartridge bearings.
• Seals included.

PF30-83-A Road Ai

• Press Fit bottom bracket 83 mm without thread.
• Internal diameter: 46 mm.
• Spindle: DUB (28.9 mm).
• Gutter Seal Technology.
• Sealed cartridge bearings.
• Seals included.

Note
For the compatibility of the product, please refer to spare parts catalogues by checking the manufacturer product code. The wheel model is not sufficient piece of information to guarantee the correct compatibility due to the large amount of similar but not compatible products.