BOX Cosine Chainring
Best durable upgrade for 1x drivetrain riders seeking longevity.
This chainring prioritizes longevity over flashy tech, using a rounded tooth profile that genuinely saves your drivetrain from premature wear. It is a straightforward, no-nonsense upgrade for 1x setups that values smooth, reliable performance and a clean aesthetic over complex, proprietary designs.
$54.99
at
Roy's Cyclery
More Cosine options
Who it's for
- Aggressive riders needing reliable chain retention and smooth power
- Cyclists with standard 104 BCD cranksets seeking easy upgrades
- Riders prioritizing long-term durability and resistance to wear
Who should skip it
- Mountain bikers tackling steep climbs or technical terrain
- Budget-conscious shoppers looking for entry-level components
- Weight-obsessed racers seeking the lightest possible setup
Performance breakdown
Material Durability
CNC-machined 6061-T6 aluminum offers a robust balance of strength and weight.
Drivetrain Longevity
Rounded tooth profile significantly reduces friction and premature chain wear.
Compatibility
Standard 104BCD pattern ensures easy installation on most mountain bike cranks.
Aesthetic Finish
Sleek black anodized coating provides a clean, professional look on any bike.
Drivetrain Efficiency
Optimized specifically for 1x systems to ensure smooth, reliable power transfer.
Manufacturing Precision
CNC machining delivers tight tolerances for consistent, reliable shifting performance.
Key Specs
Material
6061-T6 aluminum
Manufacturing Process
CNC-machined
Tooth Profile
Rounded
Intended Use
Mountain Biking
Size
40t
Color
Black
Mounting Pattern
104BCD
Shape
Round
Number of Teeth
40
Bolt Circle Diameter
104 mm
Know before you buy
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Ask Metto anything about the BOX Cosine Chainring before you decide.
