e*thirteen components BSA Threaded Bottom Bracket
Best durable upgrade for mountain bikers seeking long term reliability.
Built to handle the rigors of trail and enduro riding, this component prioritizes longevity and smooth rotation. With high-performance seals and custom bearings, it keeps contaminants out while ensuring efficient power transfer for a reliable ride.
$47.95
at
Backcountry
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Who it's for
- Mountain bikers riding in wet or demanding environments
- Home mechanics who prefer performing their own bike maintenance
- Aggressive riders seeking maximum efficiency and frame stiffness
Who should skip it
- Cyclists without a specialized workshop or brand-specific tools
- Weight-conscious racers prioritizing the lightest possible build
- Riders using 24mm or DUB spindle cranksets
Performance breakdown
Bearing Longevity
Custom seals effectively block trail grit to extend service intervals significantly.
Installation Simplicity
Standard threaded interface makes swapping or servicing a straightforward shop task.
Rotational Efficiency
High-quality bearings deliver a smooth, drag-free feel under heavy pedaling loads.
Structural Rigidity
Aluminum construction provides a stiff, reliable platform for aggressive trail riding.
Compatibility Range
Versatile options cover almost every common spindle and shell width configuration.
Weight Optimization
Lightweight design sheds grams without compromising the necessary structural integrity.
Key Specs
Material
Aluminum
Shell Type
Threaded
Shell Width
68/73mm, 83mm, 100mm
Spindle Type
24mm, 30mm
Crankset Compatibility
24mm, 30mm spindles
Weight
94g (30mm x 68/73mm)
Intended Use
Cross-country, trail, enduro
Warranty
60 months
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