S&M Bikes Mid BB Kit
Best durable upgrade for riders seeking a maintenance free drivetrain.
A reliable, no-nonsense bottom bracket kit built for the rigors of BMX. It pairs precision-machined aluminum spacers with smooth sealed bearings to keep your drivetrain spinning freely without unnecessary complexity.
$34.95
at
Skateshop.com
More Mid Bottom Bracket options
Who it's for
- Hard-hitting riders seeking a bottom bracket that survives heavy impacts.
- Mechanics wanting a clean, rattle-free setup with minimal adjustment.
- Dedicated BMXers who prioritize brand heritage and long-term component durability.
Who should skip it
- Home mechanics without access to a press or professional workshop.
- Budget-conscious riders seeking the most affordable replacement part available.
- Weight-obsessed racers looking to shave every possible gram from their build.
Performance breakdown
Bearing Durability
High-quality R-12 sealed bearings handle heavy BMX impacts with ease.
Installation Precision
CNC-machined spacers ensure a tight, wobble-free fit in Mid shells.
Spindle Versatility
Dual-option sizing covers the most common BMX crank spindle standards.
Rotational Smoothness
Minimal friction allows for consistent, reliable drivetrain performance under load.
Build Quality
Anodized aluminum construction offers impressive resistance to wear and corrosion.
Maintenance Ease
Standard press-fit design is straightforward for experienced home mechanics.
Key Specs
Bottom Bracket Standard
Mid
Bearing Type
Sealed R-12
Material
Anodized Aluminum
Spindle Compatibility
19mm or 24mm
Included Parts
2 bearings, 2 cones, internal spacer
Know before you buy
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