The CN-E6090 E-bike chain from Shimano is a heavy duty, E-Bike specific chain designed to handle the added torque of the Shimano STEPS Drive Unit. The CN-E6090 is for single ring, 10 speed chainset use and features Sli-Tec Surface Treatment technology on the inner and outer links for improved performance and increased durability. The Shimano CN-E6090 Chain is perfect for your single chainring, 10 speed e-bike. Heavy Duty E-Bike Chain Designed for The Added Torque of The Shimano STEPS Drive UnitFor Single Ring Chainset UseCompatible With 10-SpeedSil-Tec Surface Treatment Technology on Inner and Outer Links Includes Rivet Pin138 Links