SRAM DUB BSA Bottom Bracket
Best durable upgrade for fat bike riders seeking a quiet ride.
This component bridges the gap between cranksets and frames, prioritizing a unified spindle standard for better compatibility. It effectively seals out the elements to maintain smooth, long-lasting power transfer through the drivetrain.
$33.99
at
Cambria Bike
More DUB options
Who it's for
- Fat bike riders seeking a simplified and future-proof component setup
- All-weather cyclists who ride through mud, snow, and grit
- Home mechanics looking for a reliable and creak-free interface
Who should skip it
- Traditionalists who prefer using their existing legacy bicycle tools
- Standard mountain bikers who require a narrower 68mm or 73mm shell
- High-mileage riders who demand the most robust hardware available
Performance breakdown
Weather Resistance
Gutter Seal technology keeps grit and grime out of the bearings.
Installation Simplicity
Standard BSA threading makes setup straightforward for most home mechanics.
Bearing Smoothness
Sealed cartridges deliver consistent, low-friction rotation under heavy pedaling loads.
Structural Rigidity
Oversized spindle design minimizes flex for efficient power transfer.
Compatibility Range
Limited to DUB-specific cranks, though it fits standard threaded frames.
Build Durability
Aluminum cups offer a robust, long-lasting interface for your drivetrain.
Key Specs
BB-frame interface
English/BSA 100mm
Crank-BB interface
DUB
Bearing type
Standard
Spindle diameter
DUB
Cup material
Aluminium
Sealing type
Gutter Seal Technology
Know before you buy
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