SRAM DUB Bottom Bracket
Best premium upgrade for discerning cyclists seeking enhanced performance and durability.
A high-performance upgrade that swaps standard steel for ceramic bearings to shave weight and reduce rotational drag. It is the ideal choice for riders seeking marginal gains in drivetrain efficiency without compromising on reliability.
$60.00
at
Seattle Electric Bike
More DUB options
Who it's for
- Cyclists seeking maximum component lifespan and reduced maintenance frequency.
- Performance-oriented riders prioritizing efficiency and a silky-smooth drivetrain.
- Owners of bikes requiring the DUB Wide standard for proper crank installation.
Who should skip it
- Budget-conscious riders looking for a more economical drivetrain solution.
- Cyclists with non-DUB Wide cranks or different bottom bracket shell types.
- Riders sensitive to drivetrain noise or those who prefer simpler, quieter setups.
Performance breakdown
Rotational Efficiency
Ceramic bearings significantly reduce drag for a noticeably smoother pedal stroke.
Weight Optimization
At 78 grams, this unit keeps your drivetrain impressively light.
Interface Compatibility
Seamlessly bridges the gap between BB30 frames and modern DUB cranks.
Drivetrain Responsiveness
Stiff construction ensures every watt of power transfers directly to speed.
Installation Simplicity
Requires specific tools, but fits precisely once properly seated.
Bearing Durability
High-grade ceramic internals offer excellent longevity for dedicated road cyclists.
Key Specs
Bottom Bracket Shell I.D.
42mm
BB/Frame Interface
BB30
BB Shell Width
73mm
Weight
78g
Spindle Interface Type
SRAM DUB
Bearing Material
Ceramic
Intended Use
Road
Know before you buy
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