SRAM DUB Bottom Bracket
Best smooth power transfer for compatible DUB crankset users.
This component bridges the gap between cranksets and frames with a focus on efficiency and durability. By utilizing ceramic bearings, it reduces friction for a smoother pedal stroke while maintaining a lightweight profile that simplifies drivetrain compatibility across various standards.
$52.99
More DUB options
Who it's for
- Cyclists seeking straightforward compatibility for their SRAM DUB cranksets
- Riders prioritizing reliability and reduced maintenance for their drivetrain components
- Performance-focused riders wanting maximum efficiency from their pedaling efforts
Who should skip it
- Riders sensitive to drivetrain noise or lacking specialized installation tools
- Builders or owners of frames not conforming to the BB107 standard
- Home mechanics without a full suite of bike-specific PressFit tools
Performance breakdown
Compatibility
The DUB spindle standard simplifies crankset selection across diverse bike frames.
Weight Efficiency
Significant mass reduction compared to legacy GXP systems improves overall handling.
Bearing Smoothness
Sealed cartridge bearings provide consistent, low-friction power transfer under load.
Weather Protection
Advanced sealing effectively keeps grit and moisture out of critical internals.
Serviceability
Non-serviceable design means replacement is required once bearings eventually wear out.
Installation Ease
Press-fit standards require specific tools and precise alignment for proper seating.
Key Specs
Frame Interface
PF30
Spindle Interface
SRAM DUB
Bottom Bracket Shell ID
46mm
Shell Width
68mm
Color
Black
Sealing Type
Gutter Seal Technology
Bearing Type
Sealed cartridge
Spindle Diameter
28.99mm
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