Société Industrielle de Construction Automobile et Motocycliste (SICAM) built auxilliary bicycle engines in the early 1920s. The firm had three partners - Marcel Violet, Charles Benoît and Abel Bardin - all of whom play an important role in the history of motorcycles in France.
Marcel Violet later designed the Simca Sevitame and his name appears frequently in the annals.
In 1923 Benoît and Bardin founded Motobécane.
Sources: motobecane-club-de-france.fr, The Motor Cycle
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