This SRAM DUB Road bottom bracket allows you to add a wider crank to your gravel frame with a bolted mount.
The spacers create space for the crank axle and thus enlarge the chain line. This places the electronically controlled AXS front derailleur in 2×12-speed drives further outwards, which in turn allows the use of wider tyres, e.g. in gravel applications. The DUB technology offers you the perfect compromise between large bearings and axle stiffness.
Technologies
DUBÂ –The unit of the crankshaft and bottom bracket is the heart of the DUB technology. Stiffness meets durability. SRAM has gone a step further and made everything even easier and better. It is the system approach through the integration of the chainring, crank, shaft and bottom bracket that is decisive for better drivetrain performance.
Features
Gutter Seal technology for improved sealing against elemental influences
Completely sealed ball bearings
Specifications
| Application | Road, Gravel, Cyclocross |
|---|---|
| Series | DUB |
| Type | BSA |
| Shell Width | 68 mm |
| Axle Diameter | 28.99 mm (DUB) |
| Bearings | standard |
| Bottom Bracket Cup Material | aluminium |
What’s in the Box?
1 x SRAM DUB BSA bottom bracket
1 x SRAM 5,5 mm spacer
1 x SRAM 2,5 mm spacer






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