NSU Sportmax streamlined motorcycle, 250 cc class winner of your 1955 Grand Prix year Within the nineteen fifties, streamlining started to play an increasing element in the development of racing motorcycles as well as the "dustbin fairing" held out the potential of radical changes to motorcycle design. * Necessary area. https://graph.org/cho-thue-xe-may-quan-go-vap-gia-bao-moto-05-21