SRAM DUB Bottom Bracket
Best premium upgrade for riders seeking superior drivetrain efficiency and durability.
This ceramic bottom bracket upgrade prioritizes efficiency and reduced rotational drag for serious road cyclists. It bridges the gap between high-end performance and reliable drivetrain stability, offering a smoother pedal stroke without the maintenance headaches of lower-tier alternatives.
$290.00
at
AMG Cyclery
More DUB options
Who it's for
- Performance-focused cyclists seeking marginal gains and improved power transfer.
- Riders in wet or harsh conditions desiring long-lasting, reliable components.
- Mountain bikers and gravel riders with wider rear spacing frames.
Who should skip it
- Budget-conscious riders or those prioritizing value over ultimate performance.
- Home mechanics without proper tools or riders sensitive to drivetrain noise.
- Cyclists with non-DUB Wide cranksets or different frame bottom bracket standards.
Performance breakdown
Rotational Efficiency
Ceramic bearings significantly lower drag for a noticeably smoother pedal stroke.
Weight Optimization
Lightweight materials shave critical grams without sacrificing structural integrity.
Drivetrain Stiffness
Press-fit design creates a rock-solid foundation for efficient power transfer.
Installation Complexity
Requires specific press tools and precision for a creak-free fit.
Interface Compatibility
Strictly limited to DUB spindles and PF30 frame standards.
Bearing Longevity
High-grade seals protect ceramic internals from harsh road grit and moisture.
Key Specs
Bottom Bracket Shell I.D.
46 mm
BB/Frame Interface
PF30
BB Shell Width
68 mm
Weight
87 grams
Spindle Interface Type
SRAM DUB
Bearing Type
Ceramic
Color
Black
Know before you buy
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