A Brief History of the Marque
Leichtmotorrad - Einbaumotor - Elektr. Lichtbeleuchtung - Zweiganggetriebe
Light motorcycle - built-in engine - Electric lighting - two-speed transmission.
Harras
Manufactured in Berlin by Harras Motoren AG, 1922-1925 ¹
The firm produced Bekamo 150cc and 175cc engines built under licence to Hugo Ruppe, and also constructed motorcycles powered by these. The company was acquired by Paradowski who discontinued motorcycle production in favour of engines.
A 1923 advertisement reads:
Sources: GTU Oldtimerservice; Tragatsch p158; period advertising; nl.wikipedia.org.
Notes. 1. Possibly 1922-1926.