Promax CF-2 Crankset
Best lightweight upgrade for riders seeking reliable, stiff performance.
A reliable, performance-oriented upgrade that balances stiffness and weight through cold-forged aluminum construction. The integrated two-piece design simplifies installation and maintenance while ensuring consistent power transfer for everyday riding.
$149.95
at
J&R Bicycles
Who it's for
- Racers needing efficient power transfer for sprints and climbs
- Weight-conscious cyclists looking to improve bike acceleration
- Performance riders upgrading to modern, stiff bottom bracket standards
Who should skip it
- Budget-focused riders seeking value-oriented aluminum alternatives
- Owners of older frames with non-standard bottom bracket shells
- Cyclists who prioritize long-term pristine aesthetics over performance
Performance breakdown
Power Transfer
The two-piece design ensures efficient energy transfer with every pedal stroke.
Material Durability
Cold-forged 6061-T6 aluminum offers a robust balance of strength and longevity.
Weight Efficiency
Optimized construction keeps rotational weight low for snappier acceleration.
Installation Simplicity
The two-piece system makes setup straightforward for most home mechanics.
Compatibility
Standard 24mm spindle fits widely available English threaded bottom brackets.
Aesthetic Finish
Clean silver finish provides a timeless, professional look for any build.
Key Specs
Crank Arm Material
6061 Aluminum
Spindle Material
Chromoly Steel
Spindle Diameter
24mm
Spindle Length
112mm
Weight
748 grams
Bolt Circle Diameter
104mm
Chainline
43mm
Q-Factor
167mm
Bottom Bracket Compatibility
68mm BSA
Crank Set Type
2-Piece
Know before you buy
Still have a question?
Ask Metto anything about the Promax CF-2 Crankset before you decide.
