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The Easton EC90SL Direct Mount Chainring is designed for 1x drivetrains for road, gravel, and cyclocross use. Its directional tooth design and tall profile help retain the chain on rough terrain without the use of a chain keeper and material has been removed for better mud shedding and quieter operation across the range of the cassette. They're lightweight thanks to their EA90 alloy construction with asymmetric arms that are thinner in low-torque areas and stronger throughout the most powerful portions of the pedal stroke.
Compatible with CINCH direct mount interfaces like that found on Easton EC90SL cranks. 47 mm chainline. Claimed weights: 38T (80g), 40T (91g), 42T (98g), 44T (105g), 46T (112g), 48T (123g).
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A guide to understanding and calculating bicycle gear inches.