The 2011 ZX-6R carries on a tradition of middleweight dominance started by the Ninja 600 of 1985. And in today’s ultra-competitive 600 supersport market, where technology, racetrack success and streetbike acumen can change dramatically year by year, that’s saying a lot. Don’t believe us? Then ask Cycle World magazine, who named it one of its Ten Best bikes of 2010.