Promax C-1 Chain Tensioner
Best lightweight adjustment tool for competitive BMX racers.
These tensioners provide essential security for rear wheels, preventing slippage during intense riding. Their durable, CNC-machined construction protects frame dropouts while ensuring consistent chain tension for a more reliable drivetrain.
$13.99
at
Airpark Bike Co
More C-1 options
Who it's for
- BMX racers looking to minimize weight on their bike setup
- Riders needing flexible positioning for various gear ratios
- Mechanics wanting a hassle-free solution for chain slack
Who should skip it
- Owners of modern frames using oversized thru-axle systems
- Precision-focused riders who prefer fine-tuned, screw-driven tensioning systems
- Competitive athletes requiring heavy-duty hardware for high-torque gate starts
Performance breakdown
Structural Rigidity
CNC-machined aluminum provides a rock-solid anchor for high-torque riding.
Dropout Protection
Effectively prevents frame slippage and costly damage to rear dropouts.
Installation Versatility
Dual-hole design accommodates a wide range of standard frame geometries.
Axle Compatibility
Seamlessly fits both 3/8 inch and 10mm axle standards.
Weight Efficiency
Sturdy build adds necessary security without excessive rotational weight.
Drivetrain Stability
Maintains consistent chain tension even under aggressive pedaling forces.
Key Specs
Material
Aluminum 6061-T6
Weight
90.72 grams
Mounting Type
2-hole
Compatibility
3/8 inch and 10mm axles
Part Type
Chain Tensioner
Component Application Area
Drivetrain
Know before you buy
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Ask Metto anything about the Promax C-1 Chain Tensioner before you decide.
