Promax CK-1 Crankset
Best lightweight upgrade for competitive BMX and track racers.
Designed for competitive racing, these carbon cranks prioritize stiffness and weight reduction. The robust spindle ensures efficient power transfer, while the direct-mount interface offers flexibility for various drivetrain setups. It is a high-performance choice for riders seeking reliability without the premium price tag.
$349.99
Who it's for
- Competitive BMX racers looking to shave grams from their setup
- Performance-focused riders seeking maximum efficiency during explosive starts
- Versatile racers who frequently adjust their gearing for specific courses
Who should skip it
- Budget-conscious builders who prioritize value over marginal weight gains
- Aggressive riders frequently competing on tracks with high impact risks
- Home mechanics without specialized tools or experience handling carbon components
Performance breakdown
Power Transfer Efficiency
The 30mm spindle provides exceptional rigidity for explosive gate starts.
Weight Optimization
Carbon construction sheds critical grams without compromising structural durability.
Setup Versatility
Direct-mount interface allows for quick, seamless chainring swaps and adjustments.
Drivetrain Stiffness
Minimal flex ensures every watt translates directly to forward momentum.
BMX Racing Suitability
Engineered specifically to handle the high-torque demands of competitive racing.
Installation Complexity
Requires specific tools and knowledge typical of high-end racing components.
Key Specs
Material
Carbon
Weight
680 grams
Crank Arm Length
165 mm
Spindle Diameter
30 mm
Intended Use
BMX
Chainring Mount Type
SRAM 3-bolt direct mount
Drivetrain Speed Compatibility
Single speed
Bottom Bracket Interface Type
30mm
Crank Construction Type
Carbon
Number of Chainrings
0
Know before you buy
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Ask Metto anything about the Promax CK-1 Crankset before you decide.
