Promax Chainring
Best durable upgrade for budget conscious BMX racers.
A robust, CNC-machined upgrade designed for BMX and single-speed riders who prioritize strength and weight savings. It delivers reliable power transfer and durability, fitting seamlessly onto standard four-bolt cranksets for a clean, efficient drivetrain setup.
$29.99
Who it's for
- BMX racers seeking reliable performance during high-intensity sprints
- Riders looking for a versatile replacement part for standard setups
- Competitive athletes prioritizing drivetrain security and smooth power transfer
Who should skip it
- Mountain bikers using traditional geared drivetrains
- Custom bike builders wanting specific color-matched components
- Weight-conscious racers aiming for the lightest possible build
Performance breakdown
Structural Rigidity
6061-T6 aluminum provides exceptional stiffness under heavy sprinting loads.
Weight Efficiency
CNC machining removes excess material without compromising essential durability.
Compatibility
Standard 104 BCD design fits the vast majority of BMX cranksets.
Power Transfer
Precision-cut teeth ensure immediate engagement for consistent, reliable acceleration.
Finish Durability
Anodized coating resists wear from chain friction and environmental grit.
Installation Ease
Standard four-bolt pattern makes swapping rings a quick, straightforward task.
Key Specs
Number of Teeth
42
BCD
104 mm
Material
6061-T6 Aluminum
Weight
172.36 grams
Mounting Type
4-bolt
Chain Compatibility
3/32 inch
Intended Use
BMX, Single Speed
Shape
Round
Drivetrain Speed System
Single Speed
Know before you buy
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Ask Metto anything about the Promax Chainring before you decide.
