The thing that used to amaze me was the kitchen help when I was in Germany. Young guys would ride over the Alps all the way from Italy to Stuttgart on mopeds to spend the summer working. Most of those will only go 30 - 40 MPH flat out and the brakes weren't much better than those on a bicycle. I can just imagine the total terror from behind on the uphill side of the mountains and on the way down there had to be a lot of foot dragging.
