I took my time to write a review, after I installed a child seat in the front and ride the bike several journeys, I can say that it has a powerful battery, it's very stable to ride with a child in the front without any effort. I still need to install a child seat in the back and see how it goes. I only can say that I had to put my seat very low to reach the floor while I am sitting and my legs are a bit shrunken, the bike is size M (M and L where the only options online) and I am 1,67cm high, t...