Shimano Steps CN-E8000-11 11-Speed E-Bike Chain Key Features Heavy duty 11-speed E-bike chain designed for the added torque of the Shimano STEPS drive unit For single ring chainset use 5.62 mm chain width, optimised for 11-speed Super Narrow HG-EV drivetrains Sil-Tec surface treatment technology on inner and outer links that is smooth running and increases durability Includes rivet pin 138 links