NSU Sportmax streamlined motorcycle, 250 cc class winner from the 1955 Grand Prix year In the fifties, streamlining started to Participate in an ever-increasing element in the event of racing motorcycles plus the "dustbin fairing" held out the potential of radical changes to motorcycle design. * Required field. The information https://groups.google.com/g/motogiabao/c/-ZKkFeQn6qY