Shimano STEPS SW-E8000-L Left Hand Assist Switch sold without E-Tube

STEPS SW-E8000-L Assist SwitchFirebolt technology provides a vivid click feelingErgonomic switch position adds comfort to MTB ridingPower mode change simulates the feeling of normal shiftingOperation is intuitiveSupported by Shimano's E-Tube Project technology for seamless wireless communicationIncludes motor assist to push bike and walk assist mode