Englisch

-That’s a good point.

I have not yet considered this aspect.

For that I agree with you that we should use hydraulic brakes. verbessert

-For example off road, having some drive available at the front is more useful.

In this case, the bike can not pick up the front wheel as the available traction is more limited, the rear wheel would spin up before that.

-I think it is difficult to implement a robot that is changing the battery automatically.

A human worker can still do that in a very good way.

What I am trying to say is that this step is not easy to make and if complications arise during the change, a worker can still react better to it.