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
Beta (motorcycle manufacturer) bikes with Beta's own power units. The Alp trail motorcycle models have used air-cooled Suzuki DR-model engines and have a good reputation at commuters and 'green-lane' trail bikes. With a low seat height and a reputation as an easy to ride motorcycle, they are ideal to beginners of off-road riding. Beta RR Motard Track Beta (motorcycle manufacturer) Beta is an Italian motorcycle manufacturer, specialising in off-road motorcycles. Beta are best known for their popular trials bikes. In 2005, they launched a range of enduro motorcycles using KTM engines. In 2010 they launched the new RR series, with a new engine