Ebike
https://www.garmin.com/en-US/forms/ideas/
Why don't you add it yourself? On most Garmin devices you can add a custom Activity, configure and name it in the way fitting your needs.
And it will ge nothing besiede other name. Ebike is needed to automaticly synchro with GC and Strava as e-bike ride, so no segments will be counted...
