Trionette Three-Wheelers

Trionette at the Salon de Berlin, 1923

Manufactured by Trionette-Gesellschaft mbH of Bremen, 1921 to 1930.

This was a kit to convert a motorcycle into a three-wheeler - "das Motorradauto ... der vollkommensted und schnellsted Kleinwagen".

Trionette Kleinwagen 1923

Trionette 1923

Sources: Oldtimerclub Lachendorf, et al