Nothing at all unless of course one likes to ride really slow, also not much to build, just strap a 4 stroker motor on a rear rack or front mount, release a lever to make it crawl...lol...I, I mean make it go...lol.
Nothing at all unless of course one likes to ride really slow, also not much to build, just strap a 4 stroker motor on a rear rack or front mount, release a lever to make it crawl...lol...I, I mean make it go...lol.