– Elliptical shape for improved power transmission
– CNC machined aluminum ring fits Race Face cranks with Cinch System
– Features Drop-Stop tooth design to prevent unwanted chain drop
– Asymmetrical tooth shape for the best wear life, chain retention and mud clearance. 49mm chainline vs. stock Cinch 51mm chainline
– Recommended for use with 10/11/SRAM 12sp chain (10sp chain works on 9sp drivetrain). Not compatible with Shimano 12 speed
– Made in the USA from 7075-T6 aluminum alloy