NSU Sportmax streamlined motorcycle, 250 cc class winner in the 1955 Grand Prix period Within the nineteen fifties, streamlining began to play an ever-increasing aspect in the development of racing motorcycles and also the "dustbin fairing" held out the possibility of radical changes to motorcycle design. Sport – the rider https://groups.google.com/g/motogiabao/c/LGNCKGs6UaI