This machine was one of the highlights of the 1928 Berlin Automobil und Motorrad show: designed by Ernst Neumann-Neander, one of the pioneers of pressed-steel construction, it looked like no other motorcycle on the market. The metalwork was cadmium plated, and most of the leather and rubber was red—right down to the tires.
Even more strangely, Fritz von Opel built a rocket-powered version too. According to The Vintagent, “The rider activated the rockets with a foot pedal, after using the motorcycle’s engine to reach 75mph; Opel calculated that 220km/h (132mph) was then possible”. Opel’s plan to break the world land speed record was unfortunately thwarted by the German authorities, but the more sedate, regular Motoclub lives on.
If you’re tempted, there’s a lovely 1928 model for sale at the Dutch dealer Yesterdays for €24,500—around US$33,000.
Image from Motor-Talk.de.