The Trimtab looks like a smooth ride—and the user doesn't seem to break a sweat, traveling at 30km/hr with nary a pedal. Imagine what he'd manage if he put some effort into it! [Losantiville via @seanchon via WIRED] More »

Read more: http://feeds.gawker.com/~r/gizmodo/full/~3/OO6fMgHo7so/crazy-trike-concept-gets-taken-for-a-ride