The RaceFace ERA Direct Mount Wide CINCH Chainring is designed for compatibility with modern 10, 11, and 12-Speed chains. RaceFace bonded a carbon fiber spider with stainless steel teeth and a premium 7075 aluminum CINCH interface to offer a chainring that is expected to last 5 times longer than a typical alloy chainring. ERA is a chainring without compromise. Carbon fiber spider, compressed and co-molded using the same process we developed for ERA carbon cranks Tried, tested and proven CINCH mount uses premium 7075 aluminum is lightweight, durable and with CINCH it's easy to swap out ring sizes Stainless steel teeth are stronger and harder than titanium with a wear life five times that of aluminum Provides a 55mm chainline with RF136 crank spindle Compatible with modern 10, 11, and 12-Speed chains
