We got our bikes just this week and after getting used to them we have put on 60km it has been pretty cold here so we bundled up real good we will continue to ride till it gets too slick here in Manitoba. The bikes are much bigger than we expected! but we also ride 125cc scooters so was not a problem. My husband was a welder in his working career and he examined the welds on our new bikes and is very happy with the quality of the bikes. A couple of years ago we bought regular bikes but he was unable to pedal them because of knee pain but with the PAS system he has had no problems so this is the solution for us. So far Loving our Voltbikes we did set the pedal assist to 0-9 for safety when we are stopped.