BMW R75

A heavy military motorcycle with a sidecar whose wheel was also driven.
The R75 was built for the German army and could run in mud and snow. The drive to the sidecar wheel made it an early off-road machine.
Materials: Steel; flat-twin engine
Manufacture: Made in Munich and Eisenach.
The sidecar with its own driven wheel.
The sturdy frame and knobbly tyres.