Originally Posted by toro618
On another note, a clever idea is to buy a FE570 frame and throw in a 390/450 motor. If the frame is the same size and weight, than that would be the hot ticket.
Just looked at the specs between the 390/450/and 570. They are all the exact same frame and size but with different motors. So I guess a motor swap would be one way to have a true street legal fe390.