Engineered to interface with Avinox Drive Systems, we've optimized this ring to combat the high-torque, high-wear situations e-bike riders face.Engineered to interface with Avinox Drive Systems, we've 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- Robust stamped steel- Larger 36T and 38T sizes reduce chain loads that influence system wear.- Backwards compatible with other Eagle Technology.