NSU Sportmax streamlined motorcycle, 250 cc class winner with the 1955 Grand Prix period Inside the 1950s, streamlining began to play an ever-increasing component in the event of racing motorcycles as well as the "dustbin fairing" held out the potential of radical changes to motorcycle design. Sport – the rider https://groups.google.com/g/motogiabao/c/clmvBbZFIl8