E*thirteen XCX Boost DM Chainring
Best lightweight upgrade for competitive cross country mountain bikers.
A lightweight, direct-mount solution designed to keep your chain secure on the roughest terrain. The specialized tooth profile eliminates the need for complex guides while maintaining reliable engagement under extreme angles.
$59.99
Who it's for
- Weight-conscious cross-country racers seeking maximum climbing efficiency.
- Trail riders prioritizing a reliable, drop-free drivetrain setup.
- Performance-oriented cyclists who value premium craftsmanship and structural stiffness.
Who should skip it
- High-mileage riders who prefer long-term durability over marginal weight gains.
- Cyclists using non-E*thirteen cranks who need a universal mounting solution.
- Budget-conscious builders looking for the most affordable replacement parts.
Performance breakdown
Weight Efficiency
Featherlight construction minimizes rotational mass for faster, more responsive acceleration.
Chain Retention
Dual-width tooth profile locks the chain securely during aggressive trail riding.
Material Durability
Hardened 7075-T6 aluminum withstands significant wear from high-torque pedaling.
Installation Simplicity
Direct-mount interface makes swapping rings quick and straightforward for home mechanics.
Drivetrain Compatibility
Limited to specific E*thirteen crank systems, restricting broader aftermarket versatility.
Chainguide Integration
Optimized geometry pairs seamlessly with guides for total security on descents.
Key Specs
Material
7075-T6 aluminum
Mounting Type
Direct Mount
Mounting Standard
Quick Connect
Offset
5mm Boost
Chainline
49mm
Tooth Profile
Dual width 'M' profile
Compatibility
TRS series cranks and spiderless LG1 series cranks
Chainring Position
Single
Know before you buy
Still have a question?
Ask Metto anything about the E*thirteen XCX Boost DM Chainring before you decide.
