This is a nice one that still behaves like a bike and does not look like it was made for the elderly. http://www.electrolyte.cc/de/technik/einarmiger-bandit/ h

This is a nice one that still behaves like a bike and does not look like it was made for the elderly. http://www.electrolyte.cc/de/technik/einarmiger-bandit/ http://www.electrolyte.cc/de/technik/einarmiger-bandit/ But seriously, there are many many contenders. It's an interesting market, but there is no "Tesla" out there.