SRAM DUB Bottom Bracket
Best premium upgrade for serious mountain bikers seeking durability and smooth performance.
Upgrade your drivetrain with ceramic bearings designed to minimize friction and maximize power transfer. This component offers a precise, smooth rotation for off-road riding, ensuring reliability and efficiency on the trail.
$290.00
at
Airpark Bike Co
More DUB options
Who it's for
- Mountain bikers seeking long-lasting, reliable components for harsh environments.
- Performance-focused riders desiring marginal gains and a fluid drivetrain feel.
- Mechanics and riders valuing straightforward component matching and installation ease.
Who should skip it
- Budget-conscious riders who prioritize value over high-end material benefits.
- DIY mechanics without specialized tools or those prone to aggressive riding impacts.
- Everyday riders unlikely to notice the subtle efficiency improvements over steel bearings.
Performance breakdown
Rotational Efficiency
Ceramic bearings significantly lower drag for a noticeably smoother pedal stroke.
Drivetrain Integration
The DUB interface ensures a precise, wobble-free connection to your crankset.
Durability
Robust seals protect internal components from grit, mud, and trail debris.
Installation Simplicity
Standard threaded design makes swapping this unit straightforward for home mechanics.
Weight Savings
Lightweight materials shave precious grams without sacrificing necessary structural integrity.
Power Transfer
Stiff construction ensures every watt of effort reaches the rear wheel.
Key Specs
Material
Ceramic
Weight
74 grams
Bottom Bracket Shell I.D.
English
BB/Frame Interface
English
BB Shell Width
68/73mm
Spindle Interface Type
SRAM DUB
Color
Black
BB Shell Thread
British
BB Bearing
Ceramic
Crank Spindle Diameter
28.99mm
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