Knight Bike Co. UFO Bottom Bracket
Best reliable upgrade for demanding riders.
This bottom bracket offers a clean aesthetic with its CNC-machined aluminum components and sealed bearings. It provides adjustability for chain alignment and compatibility with common spindle sizes, making it a solid choice for riders looking to upgrade their bike's drivetrain.
$109.95
at
Stacked BMX Shop
More UFO options
Who it's for
- Aggressive riders seeking a dependable, impact-resistant component for their BMX.
- Restorers and riders with vintage BMX frames needing a direct replacement.
- Everyday riders and casual enthusiasts preferring less frequent, easier bike maintenance.
Who should skip it
- Performance-focused racers and weight-conscious riders prioritizing minimal bike mass.
- Builders and upgraders with newer frames expecting universal component compatibility.
- Competitive riders and power-focused athletes seeking maximum pedaling stiffness.
Performance breakdown
Bearing Smoothness
Precision sealed bearings deliver a buttery, friction-free rotation under heavy load.
Build Durability
6061 T-6 aluminum construction withstands the harsh impacts of aggressive BMX riding.
Installation Versatility
Dual spindle compatibility makes swapping cranks across different setups incredibly straightforward.
Chainline Precision
Included spacer kit allows for granular adjustments to perfect your drivetrain alignment.
Aesthetic Finish
CNC-machined cone spacers provide a clean, professional look for any build.
Maintenance Ease
Sealed design keeps grime out, significantly extending service intervals between cleanings.
Key Specs
Outer Size
American
Inner Size
19mm, 22mm
Material
6061 T-6 Aluminum
Bearing Type
Enduro Sealed
Bearing Count
2
Non-Drive Side Cone Thickness
10mm
Drive Side Cone Thickness
5mm
Adjustable Chainline
Yes
Know before you buy
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Ask Metto anything about the Knight Bike Co. UFO Bottom Bracket before you decide.