Wheels Manufacturing BSA 30 Bottom Bracket
Best reliable upgrade for a quiet and smooth cycling experience.
This is the bridge between modern crank standards and your classic threaded frame. It lets you run stiff, oversized spindles without needing a new bike, though you sacrifice the simplicity of a standard bottom bracket for the added complexity of external bearings.
$118.00
at
Airpark Bike Co
Who it's for
- Cyclists frustrated by noisy press-fit bottom brackets.
- Riders seeking to upgrade or maintain specific 30mm cranksets.
- Performance-oriented riders prioritizing component longevity and reliability.
Who should skip it
- Budget-conscious cyclists seeking more economical drivetrain solutions.
- DIY mechanics without specialized bottom bracket wrench sets.
- Riders with non-BSA frames or different spindle diameter cranksets.
Performance breakdown
Bearing Smoothness
ABEC-3 bearings deliver a crisp, low-friction feel under load.
Installation Simplicity
Standard threaded cups make installation straightforward for any home mechanic.
Build Durability
Anodized aluminum construction resists corrosion and handles heavy torque effortlessly.
Compatibility Versatility
Perfectly bridges the gap between modern cranks and traditional threaded frames.
Weight Efficiency
Solid construction adds minimal weight while maintaining necessary structural integrity.
Sealing Protection
Reliable seals keep grit and grime out of the drivetrain internals.
Key Specs
Weight
122.47 grams
Material
Anodized aluminum
Bearing Type
ABEC-3 sealed
Shell Width
68/73 mm
Spindle Diameter
30 mm
Bottom Bracket Standard
BSA
Shell Diameter
33.6 mm
Know before you buy
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