The Killinger und Freund Streamliner is one of the most extraordinary and mysterious motorcycles of the World War II era. Developed in Germany during the late 1930s by a group of engineers from Munich, it stood out for its futuristic aerodynamic design and avant-garde technology.
Front-wheel drive: Its main innovation was a three-cylinder two-stroke engine housed directly inside the front wheel hub.
Streamlined design: Inspired by the Streamline Moderne movement, its fully enclosed bodywork covered almost all mechanical parts, giving it a "rocket on two wheels" appearance.
A mysterious fate: A functional prototype was discovered by the US Army in 1945. Although it never entered mass production due to the war, it remains an absolute masterpiece of engineering and industrial design.