NSU Sportmax streamlined motorcycle, 250 cc class winner from the 1955 Grand Prix time While in the 1950s, streamlining started to play a growing component in the event of racing motorcycles and also the "dustbin fairing" held out the opportunity of radical changes to motorcycle design. * Mandatory discipline. The https://drive.google.com/file/d/13bTHFFURZYb4IKIZwsPA_jRwPxcPFcp3/view?usp=drive_link