Box Bottom Bracket
Box

Box Bottom Bracket

4.5

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

Out of stock

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.

Excellent

Durability

Robust construction handles daily commuting and casual trail riding with ease.

Excellent

Installation Ease

Standard threaded design makes swapping out old units straightforward for mechanics.

Excellent

Bearing Smoothness

JIS standard bearings provide consistent, reliable rotation for everyday cycling.

Good

Power Transfer

Square taper design offers adequate stiffness for recreational and urban riding.

Good

Aesthetic Finish

Sleek black coating maintains a clean, understated look on any bike.

Excellent

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.

Box Bottom Bracket

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