Promax C-1 Chain Tensioner
Best precision chain security for BMX racers with classic dropouts.
These precision-machined components provide essential stability for single-speed setups. By locking the rear wheel in place, they prevent slippage and protect frame dropouts from the stress of high-torque riding.
$12.99
at
CBI Bikes
More C-1 options
Who it's for
- Competitive riders needing reliable chain security during intense sprints
- Aggressive cyclists demanding durable, long-lasting hardware
- DIY mechanics converting vertical dropout frames to single-speed
Who should skip it
- Weight-conscious racers prioritizing a clean, minimalist bike aesthetic
- Riders lacking the tools or patience for precise mechanical adjustments
- Cyclists with non-standard frame geometries or unique axle setups
Performance breakdown
Material Durability
CNC machined 6061-T6 aluminum offers exceptional strength for high-torque BMX starts.
Adjustment Precision
Fine-tuning screw and control marks allow for exact chain alignment.
Weight Efficiency
Lightweight construction minimizes rotational mass without sacrificing structural integrity.
Installation Simplicity
Dual fixing holes make mounting straightforward on standard open rear dropouts.
Compatibility Range
Specifically engineered for 10mm axles, limiting use to classic frame setups.
Security Reliability
Lock nut mechanism ensures tension settings remain stable during aggressive riding.
Key Specs
Material
CNC machined 6061-T6 aluminum
Axle Compatibility
10mm
Fixing Holes
2
Adjustment
Single screw with lock nut
Weight
64g
Quantity
Sold in pairs
Still have a question?
Ask Metto anything about the Promax C-1 Chain Tensioner before you decide.
