ACS Crossfire BB Cup
Best durable replacement for classic BMX frame restorations.
A robust bottom bracket upgrade featuring precision-machined aluminum and sealed bearings. It offers a reliable, smooth-spinning interface for standard threaded frames and common crank spindles.
$47.62
at
eBay
More Crossfire options
Who it's for
- Aggressive riders needing components that handle high-impact landings
- Cyclists seeking a reliable and friction-free pedaling experience
- Home mechanics looking for a simple and effective upgrade
Who should skip it
- Weight-conscious racers prioritizing the lightest possible build
- Owners of modern frames requiring Mid or Spanish bottom brackets
- Custom builders wanting a flashy or color-coordinated aesthetic
Performance breakdown
Build Durability
Forged aluminum construction offers robust resistance against heavy pedaling torque.
Bearing Smoothness
Precision sealed bearings deliver consistent, friction-free rotation under load.
Weather Resistance
Sealed design effectively keeps grit and moisture out of internal components.
Installation Ease
Standard BSA threading makes setup straightforward for most home mechanics.
Weight Efficiency
Solid aluminum build balances structural integrity with a reasonable weight profile.
Component Compatibility
Broad compatibility with standard 24mm spindles simplifies drivetrain upgrades.
Key Specs
Material
Forged and CNC-machined aluminum
Bottom Bracket Standard
BSA 1.37"x24T
Shell Width
68/73 mm
Spindle Diameter
24 mm
Bearing Type
Sealed
Compatibility
2-piece cranks
Know before you buy
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Ask Metto anything about the ACS Crossfire BB Cup before you decide.
