Box Three Crankset
Best lightweight and stiff crankset for performance oriented riders on a budget.
This hollow-forged crankset prioritizes raw stiffness and power transfer for riders who push their gear to the limit. You sacrifice a bit of weight compared to high-end carbon options, but you gain a rock-solid, reliable foundation that handles aggressive torque without a hint of flex.
$309.99
More Three options
Who it's for
- BMX racers and serious riders seeking performance upgrades.
- Competitive cyclists and sprinters prioritizing every watt.
- Enthusiasts upgrading their bike without breaking the bank.
Who should skip it
- Riders with non-standard bottom bracket shells or older frames.
- Elite racers obsessed with shaving every possible gram.
- Beginners attempting their first drivetrain component installation.
Performance breakdown
Power Transfer
The oversized 24mm spindle creates a remarkably stiff, responsive pedaling platform.
Weight Efficiency
Hollow-forged construction sheds excess mass without compromising necessary structural strength.
Durability
Steel pedal inserts prevent thread stripping during high-torque BMX maneuvers.
Installation Ease
The dual-bolt pinch system simplifies setup but requires careful, precise tightening.
Bottom Bracket Smoothness
Externally sealed bearings provide reliable, low-friction rotation in harsh conditions.
Flex Resistance
The reinforced ring design maintains shape under aggressive, high-impact riding.
Key Specs
Crank Arm Length
175 mm
Spindle Diameter
24 mm
Material
Aluminum
Bolt Circle Diameter
104 mm
Chainring Mount Type
4-bolt
Crank Construction Type
2-piece
Intended Use
BMX
Bottom Bracket Included
Yes
Installation Requirement
Pedal washers required
Know before you buy
Still have a question?
Ask Metto anything about the Box Three Crankset before you decide.
