Promax CF-2 Crankset
Best lightweight upgrade for competitive BMX racers seeking maximum power transfer.
A reliable, stiff upgrade for riders looking to shed weight without sacrificing durability. The two-piece design simplifies installation and maintenance, while the integrated spindle ensures a solid, responsive power transfer for everyday riding.
$149.99
at
Tree Fort Bikes
Who it's for
- BMX racers seeking a competitive edge through reduced rotational mass
- Young athletes and adults needing a precise fit for racing
- Power-focused riders who demand efficiency during explosive gate starts
Who should skip it
- Budget-conscious builders looking for an all-inclusive drivetrain package
- Street or park riders requiring maximum durability for technical tricks
- Riders who prioritize long-term aesthetic perfection over pure performance
Performance breakdown
Power Transfer Efficiency
Two-piece design and integrated spindle minimize flex during hard pedaling efforts.
Installation Simplicity
Integrated spindle and included bottom bracket make setup straightforward for home mechanics.
Durability
Cold-forged 6061-T6 aluminum offers a robust, impact-resistant build for daily riding.
Weight Optimization
Solid construction prioritizes strength over ultra-lightweight racing performance.
Component Compatibility
Standard bolt circle diameter ensures easy pairing with most aftermarket chainrings.
Bearing Longevity
Sealed bottom bracket provides reliable protection against trail grit and moisture.
Key Specs
Material
6061-T6 Aluminum
Crank Arm Length
170 mm
Spindle Diameter
24 mm
Bolt Circle Diameter
104 mm
Chainline
43 mm
Q-Factor
167 mm
Weight
729 grams
Bottom Bracket Included
Yes
Number of Chainrings
0
Know before you buy
Still have a question?
Ask Metto anything about the Promax CF-2 Crankset before you decide.
