Engingeered to interface with Bosch motor systems, SRAM drivetrain engineers optimized this ring to combat the high-torque, high-wear situations e-bike riders face. The aggressive T-Type tooth design provides better chain retention for a smoother, more efficient pedal feel with a focus on long wear-life.Features:- Steel (36T).- AeroGuard Compatible that fufills EN 15194:2017 standard- Backwards compatible with other Eagle Technology.Specifications:- Chainring Size: 36T- Bolt Circle Diameter (BCD): Direct Mount (DM)- Speeds: 12s T-Type- Material (Chainring): Steel