Motorcycle a three-speed gearbox and belt transmission. It was so popular with its users that it was nicknamed the "Trusty Triumph." By 1920, Harley-Davidson was the largest manufacturer, with their motorcycles being sold by dealers in 67 countries. In the 1950s, streamlining began to play an increasing part in the development of racing motorcycles and the "dustbin fairing" held out the possibility of radical changes to motorcycle design. NSU and Moto Guzzi were in the vanguard of this development, both producing very radical designs well ahead of their time. NSU produced the most advanced design, but after the deaths of four
Mondial (motorcycle manufacturer) in 1948 as FB Mondial. Mondial found early racing success, winning their first of what would become five World Championships in only their second year of production. During a time when MV Agusta and Ducati produced economy lightweight two-stroke motorcycles, mopeds and scooters, Mondial was more of a "boutique" manufacturer, specializing in high-performance, small-displacement motorcycles. Much of the production of each motorcycle was done by hand, which kept output low, with production numbers typically ranging between 1,000 and 2,000 units per year. Mondial were able to continue this success for a number of years, sticking with this methodology.In 1957, Soichiro