Promax CK-1 Crankset
Best lightweight carbon crankset for competitive racers seeking maximum power transfer.
This carbon crankset is built for pure speed, prioritizing a massive 30mm spindle to ensure every watt of power hits the drivetrain without flex. It sacrifices the simplicity of a standard setup for a modular, race-ready design that demands a bit more setup effort but delivers uncompromising stiffness.
$349.99
Who it's for
- Racers seeking faster acceleration and nimble bike handling
- Competitive cyclists demanding efficient power delivery
- Serious riders wanting a professional, high-performance aesthetic
Who should skip it
- Budget-conscious cyclists preferring value over premium materials
- Mountain bikers riding on rocky, technical terrain
- Mechanics wanting universal compatibility and standard tools
Performance breakdown
Power Transfer
The 30mm spindle provides exceptional rigidity for explosive acceleration.
Weight Optimization
Carbon construction keeps rotational mass impressively low for racing applications.
Installation Versatility
Direct-mount compatibility offers a clean, lightweight setup for modern drivetrains.
Structural Integrity
Robust carbon layup handles high-torque sprints without noticeable flex.
Drivetrain Compatibility
Requires an adapter for traditional chainrings, adding a minor setup step.
Racing Durability
Built to withstand the rigors of competitive track and BMX racing.
Key Specs
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175mm
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2-PC Direct Mount Carbon
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30mm
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SRAM 3-Bolt Direct Mount
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Black
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Ask Metto anything about the Promax CK-1 Crankset before you decide.