The models I've driven have a speed limit (either in "beginner" or "expert" mode, 9kph/~20kph respectively, iirc). If you hit that, the segway is actively worki

The models I've driven have a speed limit (either in "beginner" or "expert" mode, 9kph/~20kph respectively, iirc). If you hit that, the segway is actively working against the inclination of the handle. Basically you can try to push with force and lean with your whole weight against the handle, it just won't move away. On the contrary: Fighting it to hard leads more to you standing upright again or getting a small inclination to the back, _although you try to do the opposite_. I have a disclaimer of my own though: I've ridden them on ~flat terrain and only fought these safety mechanism there, trying to go faster. I'd expect them to work just the same going downhill though.