KMC e8 EPT 8s 122L f/EBIKE8 speed chain designed for the increased pressures and torque of E Bikes Double X Bridge construction increases shifitng precision and shifting speed Specifically designed for Bosche and e bike motors for high torque tensile strength EcoProTeQ treatment doubles the rust resistance compared to KMCs RB anti rust treatment Compatible with Sram, Shimano, and Campagnolo 8 speed drivetrains