Paul Heneghan wrote: > > Now that's impressive. The fastest I've ever gone on a bike is 40mph (down > hill of course) and then I ran out of gears. My largest gear is about 100". > I would need an enormous chain wheel (90 teeth) to go at speeds like 70mph. > A two in one hill would help . . . > Wow... 70! I actually got pulled over on a bicycle, clocked at 56 mph. Long story, pretty funny. Bob