SRAM DUB Threaded Bottom Bracket
Best reliable upgrade for cyclists seeking a quiet and smooth drivetrain.
A versatile, oversized spindle system designed to simplify crank compatibility across diverse frame standards. It prioritizes long-term durability and smooth power transfer while shedding weight compared to previous generations.
$48.99
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Who it's for
- Riders seeking a future-proof system that simplifies component matching
- Mountain bikers frequently riding in muddy or wet trail conditions
- Home mechanics who value simple maintenance and a quiet ride
Who should skip it
- DIYers wanting to use their existing collection of standard tools
- Precision-focused users who prefer high-end CNC-machined alloy hardware
- Sustainability-minded cyclists who prefer rebuilding components over replacing them
Performance breakdown
Bearing Smoothness
Sealed cartridges deliver consistent, low-friction rotation under heavy pedaling loads.
Weather Resistance
Gutter Seal technology effectively keeps grit and moisture out of internals.
Compatibility Versatility
Oversized spindle design simplifies installation across nearly all modern frame standards.
Weight Efficiency
Noticeably lighter construction reduces rotational mass compared to legacy GXP systems.
Installation Simplicity
Threaded interface makes for straightforward, tool-friendly maintenance and setup.
Structural Rigidity
Oversized spindle provides a stiff, responsive platform for efficient power transfer.
Key Specs
Frame Interface
T47
Spindle Interface
SRAM DUB (29mm)
Bottom Bracket Shell ID
47mm
Color
Black
Weight
97g (68mm Shell)
Sealing Type
Gutter Seal Technology
Bearing Type
Sealed cartridge bearings
Shell Width
85.5mm
Spindle Diameter
29mm
Water Resistant
Yes
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