Back in the '60's, I worked at a Mobil Station. One of our customers got an old Police Trike (LAPD used them for their meter maids). Back then, they were "flatheads" 750cc. He pulled the box off the back, took the front fender off, put American Torq Thrust and Indy tires on the back. I thought it was so cool. Then, in the '70's, back when I was into choppers, one of the magazines showed a trike with a "Sportster" engine and extended forks. I thought that was "BAD".