SRAM DUB Bottom Bracket
Best reliable upgrade for cyclists seeking simplified, weather-resistant drivetrain performance.
This bottom bracket simplifies crankarm compatibility with its versatile DUB spindle. It offers enhanced protection against the elements thanks to Gutter Seal Technology™ and uses sealed cartridge bearings for reliable power transfer. It's a lighter alternative to older GXP systems.
$60.00
at
Contender Bicycles
More DUB options
Who it's for
- Riders seeking long-term reliability in wet or gritty conditions
- Cyclists wanting to upgrade to modern, stiff DUB cranksets
- Weight-conscious racers looking to shave grams from their build
Who should skip it
- Cyclists who find persistent drivetrain noise frustrating
- Home mechanics lacking specialized press tools and experience
- Owners of frames with inconsistent or loose bottom bracket tolerances
Performance breakdown
Compatibility Versatility
The DUB standard unifies cranksets across nearly all modern frame configurations.
Installation Simplicity
Press-fit design makes setup straightforward for those with the right tools.
Weather Resistance
Gutter Seal Technology effectively keeps grit and grime away from bearings.
Weight Efficiency
Lightweight construction keeps rotational mass low without sacrificing structural integrity.
Maintenance Ease
Non-serviceable bearings mean replacement is required rather than simple cleaning.
Power Transfer
Oversized spindle design creates a stiff, responsive connection for efficient pedaling.
Key Specs
Bottom Bracket Standard
PressFit 30
Spindle Interface Type
SRAM DUB
Shell Diameter
46 mm
Shell Width
89.5 mm
Spindle Diameter
28.99 mm
Weight
74 g
Bearing Material
Steel
Material
Steel
Intended Use
Mountain Biking, Road Cycling, Gravel Cycling
Ceramic Bearings
No
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