I've been researching building an ebike for about a year now. I've built around 7 or 8 gas powered 2 and 4 stroke bikes and now have decided to go green. I've been looking at 48V and 1000-1500w kits. I'm 6'3" and 240lbs, so I figured in order to get 25-28mph, which is what I'm looking for, that...