PRIMO MID BOTTOM BRACKET
Best durable upgrade for BMX riders needing versatile spindle compatibility.
This is the workhorse upgrade for BMX riders who value reliability over flash. By utilizing high-grade aluminum and sealed bearings, it eliminates the persistent creaking and play common in lesser setups. It’s a straightforward, no-nonsense solution that prioritizes smooth, consistent performance across any spindle size.
$30.00
at
TipPlus / TipPlus BMX
Who it's for
- Cyclists with modern frames using the standard Mid BB system
- Aggressive BMX riders needing components that survive heavy impacts
- Riders wanting low-maintenance parts that resist dirt and grime
Who should skip it
- Home mechanics lacking access to specialized press-fit installation tools
- Weight-conscious riders prioritizing the lightest possible bike setup
- Budget-focused shoppers looking for entry-level or generic replacement parts
Performance breakdown
Bearing Smoothness
Sealed bearings deliver consistent, friction-free rotation under heavy pedaling loads.
Installation Versatility
Included spacers make adapting to different spindle sizes quick and painless.
Structural Durability
6061 T-6 aluminum construction handles aggressive BMX riding impacts with ease.
Setup Simplicity
Comprehensive hardware kit ensures a straightforward, frustration-free installation process.
Spindle Compatibility
Supports all standard BMX spindle diameters for maximum build flexibility.
Precision Fit
Cone spacers provide tight, reliable tolerances for a wobble-free ride.
Key Specs
Spindle Compatibility
19mm, 22mm, 24mm
Bottom Bracket Standard
Mid
Sealing Type
Sealed
Tube spacer material
6061 T-6 aluminum
Cone material
6061 T-6 Aluminum
Non-drive side cone thickness
10mm
Drive side cone thickness
5mm
Spacers
6 x 2.5mm
Bearing count
2
Intended Use
BMX
Know before you buy
Still have a question?
Ask Metto anything about the PRIMO MID BOTTOM BRACKET before you decide.
