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The new SRAM DUB bottom bracket series has a simple mission, that of connecting the cranks and protecting and lasting smoothness in the transmission. To achieve this, we designed the DUB hub to be the only true unifying component. An oversized hub to work through every bottom bracket standard. For better connecting rod compatibility. For better protection against the elements. For longer lasting performance. To be stronger, softer, simpler.
Material | Aluminum, Steel (PressFit) |
Weight | 76g (BSA), 71g (PF92), 82g (BB30), 89g (PF30) |
Compatibility | DUB adapts to all standards |
The relationship between the bottom bracket axle and the bearing is the core of DUB technology. It's where rigidity meets durability. Sram took a step beyond conventional thinking and made everything simpler and better integrated the relationship between the chainring, crank, hub and bottom bracket. This is a clear system approach that equates to better powertrain performance.
Box Type | DUB100 |
Shaft Diameter | 100mm |
Bearings | Steel |