SRAM DUB Bottom Bracket
Best performance upgrade for serious road cyclists seeking smooth, reliable power transfer.
This bottom bracket leverages ceramic bearings to minimize rotational drag, offering a smoother, more efficient pedal stroke. It provides a precise, stiff interface for road setups, ensuring that power transfer remains consistent and reliable under load.
$290.00
at
AMG Cyclery
More DUB options
Who it's for
- Performance-focused cyclists seeking marginal gains and long-term reliability.
- Cyclists with diverse frame types or those upgrading their drivetrain components.
- Weight-conscious riders and racers prioritizing every gram for competitive advantage.
Who should skip it
- Budget-conscious riders or those not prioritizing top-tier component upgrades.
- DIY mechanics without specialized tools or those preferring universal compatibility.
- Riders sensitive to drivetrain noise or those seeking a completely silent ride.
Performance breakdown
Rotational Efficiency
Ceramic bearings significantly minimize drag for a noticeably smoother pedal stroke.
Power Transfer
The DUB spindle interface creates an exceptionally stiff, responsive connection.
Installation Complexity
Requires specific tools and precise alignment for a proper press-fit installation.
Bearing Longevity
High-grade ceramic materials offer superior resistance to wear over extended mileage.
Compatibility Range
Strictly limited to BB30 frames, restricting use across diverse bike fleets.
Weight Savings
Lightweight construction helps shave critical grams off your high-performance road build.
Key Specs
Bearing Material
Ceramic
Cup Diameter
42mm
Crank Spindle Diameter
28.99mm
Bottom Bracket Standard
BB30
Spindle Interface Type
DUB
Shell Width
73mm
Ceramic Bearings
Yes
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