NSU Sportmax streamlined motorcycle, 250 cc class winner with the 1955 Grand Prix year Inside the 1950s, streamlining started to Engage in an increasing section in the event of racing motorcycles and also the "dustbin fairing" held out the possibility of radical changes to motorcycle design. * Required field. The https://groups.google.com/g/motogiabao/c/x9wCeKvJOOA