Shimano STEPS SW-EM800-L eBike Assist Switch - Left Hand. For controlling Shimano STEPS eBike drivetrain the SW-EM800 left-hand switch unit features a concave button shape and wider contact area for enhanced comfort and control.

Concave button shape with wider input area improves comfort and control

Easier to access and push shift buttons

Allows for a clean cockpit area

Compatible with removable new electric cable SD300

Compatible with SL-MT800-IL