Just how far could I go on an Ecabike?

It all depends on you really. If you're not used to riding a bike, 30 km's could be more than enough.
For those who ride more often, 100 km's a day is easy.
Of course, if you choose a bike with electrical assistance, you could go farther.

What if the bike gets stolen?

In the rare case of a stolen or a lost bike, we will inform the police. All our bikes have a track and trace unit