The Craziest Urban Bike Race Looks Even Crazier On Helmet CamJesus Diaz3/02/11 9:16am99EditPromoteGo to permalink Valparaiso, Chile. Crazy guy rides his bike down the city in a timed race through tightly twisted steep streets. Like many other people lately, he is wearing an HD camera on his head, recording his mad ride. Clearly, every single sport needs helmet cams. Except curling. Because, you know, curling is stupid.