The 8SE scores with excellent protection against corrosion and maximum service life. This is ensured by the larger bearing area of the stainless steel inner link. This e-bike chain is perfectly suited for all 8-speed derailleurs, as well as narrow hub gears. - 6/7/8 speed chain designed for E-Bikes but compatible with all appropriate drivetrains - Larger bearing area on the stainless steel inner link provides durability and increased corrosion resistance - 124L = 303g