Really cool sensation. But the bike is quiet fragile. The wheels are already slighlty buckled even with a care use. Really noisy, pedal cracking and the wheel. I make 50 km with it a day. No probs with hills and long distances. The assist is really usefull despite the fact it make you slow down when you’re over 25km/h. It would have been great it disconnected the assistance instead of slow down the bike.