Knight Bike Co. UFO Bottom Bracket
Best high performance upgrade for serious freestyle BMX riders.
This American-style bottom bracket prioritizes raw durability over weight savings, making it a reliable choice for riders who punish their equipment. The CNC-machined construction and sealed bearings offer a smooth, set-it-and-forget-it upgrade that handles the heavy impacts of BMX riding with ease.
$99.99
at
Planet BMX
Who it's for
- Custom bike builders seeking a unique, high-end visual signature
- Weight-conscious riders who refuse to compromise on part strength
- Performance-focused cyclists demanding consistent, low-drag crank rotation
Who should skip it
- Budget-conscious riders looking for basic functionality at a lower cost
- Riders with vintage or specialized frames requiring different bearing standards
- Riders needing immediate local parts availability for quick repairs
Performance breakdown
Bearing Smoothness
Enduro bearings deliver consistent, friction-free rotation under heavy pedaling loads.
Structural Integrity
CNC-machined 6061-T6 aluminum provides exceptional rigidity for aggressive BMX riding.
Installation Simplicity
The all-inclusive kit streamlines the setup process for American shell frames.
Build Precision
Tight tolerances ensure a perfect, wobble-free fit within the bottom bracket.
Durability
Robust materials withstand the high-impact stresses typical of street and park.
Aesthetic Finish
Clean, machined lines offer a refined look that complements any build.
Key Specs
Material
6061-T6 Aluminum
Bearing Type
Sealed Enduro
Bottom Bracket Standard
American
Spindle Diameter
19mm
Intended Use
BMX
Sealing Type
Sealed
Country of Origin
USA
Know before you buy
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