Profile Racing Hop Up American Bottom Bracket
Best durable upgrade for serious BMX and freestyle riders.
A reliable upgrade for frames using the classic American bottom bracket standard. It offers smooth, sealed rotation and includes the necessary spacers to dial in chainline and crank clearance perfectly.
$49.95
at
Stacked BMX Shop
Who it's for
- Aggressive riders seeking a long-lasting, reliable drivetrain foundation.
- Riders prioritizing fluid pedaling and minimal resistance for performance.
- Enthusiasts who value proven quality from a respected BMX brand.
Who should skip it
- Cyclists with contemporary frames or those seeking broad compatibility.
- Budget-conscious buyers or casual riders not needing top-tier performance.
- DIY mechanics preferring simpler installations or beginners upgrading components.
Performance breakdown
Bearing Smoothness
High-quality sealed bearings deliver a buttery, consistent spin under heavy loads.
Installation Versatility
Comprehensive spacer kit makes dialing in chainline and clearance remarkably straightforward.
Structural Durability
Rugged 6061 T-6 aluminum construction handles aggressive freestyle riding with ease.
Frame Compatibility
Adapts seamlessly to both 68mm and 73mm American bottom bracket shells.
Spindle Flexibility
Dual compatibility for 19mm and 22mm spindles covers most popular cranksets.
Maintenance Ease
Sealed design keeps grime out, reducing the frequency of deep servicing.
Key Specs
Bottom Bracket Standard
American
Spindle Compatibility
19mm or 22mm
Shell Width Compatibility
68mm or 73mm
Material
6061 T-6 Aluminum
Sealed Bearings
Yes
Adjustable Chainline
Yes
Non-drive side cone thickness
10mm
Drive side cone thickness
5mm
Know before you buy
Still have a question?
Ask Metto anything about the Profile Racing Hop Up American Bottom Bracket before you decide.
