SRAM DUB Bottom Bracket
Best high performance upgrade for serious cyclists seeking maximum drivetrain efficiency.
This upgrade replaces standard steel bearings with high-efficiency ceramic alternatives to reduce rotational friction. It simplifies drivetrain compatibility by utilizing a single oversized spindle standard, ensuring a smoother ride without compromising the durability needed for demanding road and mountain conditions.
$290.00
at
Airpark Bike Co
More DUB options
Who it's for
- Competitive racers seeking marginal gains in drivetrain efficiency.
- Performance cyclists looking for a reliable and lightweight crankset interface.
- Long-distance riders who prioritize component longevity and smooth operation.
Who should skip it
- Budget-conscious riders who find performance gains don't justify the cost.
- Low-maintenance cyclists who prefer a simple set-and-forget component.
- Home mechanics without specialized press tools or perfectly machined frames.
Performance breakdown
Rotational Efficiency
Ceramic bearings significantly lower drag for a noticeably smoother pedal stroke.
Weather Sealing
Robust seals effectively block grit and moisture in harsh riding conditions.
Compatibility Versatility
The DUB standard simplifies drivetrain integration across nearly all modern frames.
Weight Optimization
Lightweight construction sheds grams without compromising the structural integrity of the housing.
Installation Ease
Requires specific tools, but the unified standard streamlines the setup process.
Long-term Durability
Engineered to withstand high torque loads while maintaining consistent bearing performance.
Key Specs
Material
Ceramic bearings
Weight
113.4 grams
Bottom Bracket Standard
PF30
Shell Width
73 mm
Shell Diameter
46 mm
Spindle Interface Type
SRAM DUB
Ceramic Bearings
Yes
Know before you buy
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