In the world of motorcycling the motard is a bike for crazies -- not packing much power but offering plenty of grunt for wheelies and other urban antics, making them quite popular amongst those who ride the city streets. They're typically modified off-roaders, as is the case with Zero X's new Zero S. The company took its electric dirtbike, added some street-friendly tires, tweaked the suspension, and doubled the battery life to offer 60 miles to a charge despite keeping the weight down to just 225 pounds. While a zero-to-60 time of five seconds won't win any awards from two-wheeled afficionadoes, that'