Bullseye American Bottom Bracket
Best durable component for high performance cycling enthusiasts.
This kit provides a clean, durable upgrade for frames requiring an American-standard interface. With precision-sealed bearings and CNC-machined aluminum spacers, it ensures smooth rotation and easy chainline adjustment for a refined ride.
$199.95
at
Stacked BMX Shop
Who it's for
- Riders seeking a robust and long-lasting component upgrade for their bike.
- Cyclists prioritizing fluid power transfer and reduced friction in their drivetrain.
- Enthusiasts desiring a distinctive, high-quality look for their custom bike projects.
Who should skip it
- Budget-conscious buyers or those needing a basic, functional replacement part.
- Owners of modern bikes or frames with different bottom bracket standards.
- Novice mechanics or those without access to specialized bicycle tools.
Performance breakdown
Bearing Smoothness
High-grade sealed bearings deliver a remarkably fluid and consistent pedal stroke.
Chainline Precision
Included spacer kit allows for meticulous adjustments to dial in drivetrain alignment.
Build Quality
CNC-machined 7075 aluminum construction offers exceptional durability and a premium feel.
Installation Ease
Straightforward design makes setup manageable for riders comfortable with basic bike maintenance.
Aesthetic Finish
Clean, machined lines provide a sleek, professional upgrade to any frame.
Compatibility Range
Specific to American standard shells, limiting use to compatible frame designs.
Key Specs
Outer Size
American
Inner Size
19mm
Material
7075 Aluminum
Non-Drive Side Cone Thickness
10mm
Drive Side Cone Thickness
5mm
Spacers
1 x 2mm, 3 x 5mm
Bearings
2 precision sealed bearings
Know before you buy
Still have a question?
Ask Metto anything about the Bullseye American Bottom Bracket before you decide.
