Box Bottom Bracket
Best durable upgrade for demanding cycling conditions.
This is the workhorse solution for riders sticking with a classic square-taper drivetrain. While it lacks the stiffness of modern external bearing systems, it offers unmatched simplicity and reliability for everyday builds. It is a straightforward, no-nonsense component that just works, exactly where you need it to.
$59.99
Who it's for
- Aggressive riders seeking dependable components for challenging terrain.
- Cyclists prioritizing maximum efficiency and a fluid pedaling experience.
- Performance-oriented cyclists who value a rigid and responsive drivetrain.
Who should skip it
- Budget-conscious cyclists looking for more affordable drivetrain options.
- Riders with diverse bike fleets or non-standard frame configurations.
- Casual riders who do not require extreme durability or performance.
Performance breakdown
Compatibility
Standard BSA threading and square taper interface fit most classic frames.
Durability
Robust construction handles daily commuting and casual trail riding with ease.
Installation Ease
Standard threaded design makes swapping out old units straightforward for mechanics.
Bearing Smoothness
JIS standard bearings provide consistent, reliable rotation for everyday cycling.
Power Transfer
Square taper design offers adequate stiffness for recreational and urban riding.
Aesthetic Finish
Sleek black coating maintains a clean, understated look on any bike.
Key Specs
Brand
BOX
Bottom Bracket Standard
BSA Threaded
Shell Width
68mm
Spindle Type
Square Taper
Spindle Length
113mm
Bearing Type
JIS
Know before you buy
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Ask Metto anything about the Box Bottom Bracket before you decide.