- Designed specifically for Shimano 12 speed HG+ chains - Elliptical shape for improved power transmission - CNC machined aluminum ring fits Race Face cranks with Cinch System - Engineered proprietary tooth profile maintains the quiet and smooth performance of the HG+ drivetrain with legendary Wolf Tooth chain retention - Prevents premature ring and chain wear that can come from non-optimized profile - Made in the USA from 7075-T6 aluminum alloy
