A Brief History of the Marque
The Società Motori Deca was founded in 1955 in Borgo Piave di Latina, 70km S of Rome. They built a 48cc four-stroke moped (ciclomotore) and a 100cc four-stroke twin with four-speed gearbox.
In 1957 they produced two lightweight motorcycles of 100 and 125cc - these were four-stroke twins built by joining two smaller engines together. These had a four-speed gearbox and suspension front and rear.
Sources: MC Storico Conti, Tragatsch p113, et al
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