Enthusiasts who have been around motorcycling for a while may recognize the names Brian Littler and Dan Hanebrink as perennial motorcycle visionaries, two guys who have pushed the technical boundaries of motorcycles. Hanebrink is probably best remembered as the man behind the Monotrack racebike of the mid-1970s. That monocoque-framed machine was powered by a three-cylinder snowmobile engine driving through a torque converter. It used 16-inch wheels long before they were fashionable. Hanebrink also made handling kits for the Kawasaki triple of that era. Littler was also involved in some innovative racebikes.