8 speed chain designed for the increased pressures and torque of E-BikesDouble X Bridge construction increases shifitng precision and shifting speedSpecifically designed for Bosche and e-bike motors for high torque tensile strengthEcoProTeQ treatment doubles the rust resistance compared to KMCs RB anti-rust treatmentCompatible with Sram, Shimano, and Campagnolo 8 speed drivetrains5/6/7/8sp1/2x3/32122LDB/XB/EPTSilverUPC/EAN/GTIN: 766759708221