German Motorrad

Gasi Three-wheelers

A Brief History of the Marque
1920s Three-wheeler
Built in Berlin-Dahlem in 1921 by Fritz Gary and Edmund Sielof of Gasi-Motorradwagen-GmbH. The machine was powered by a 350cc V-twin engine with a 3-speed gearbox driving the rear wheels by chain, this three-wheeled tandem two-seater may have influenced the design of the Mauser Einspurauto.

The site expands on the description, adding that the chain drove an intermediate shaft which in turn drove a belt to each of the two rear wheels.
Sources:,, et al.

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