Manufactured by Industrias Motorizadas Onieva S.A. in Madrid (1)
Motorcycles, furgoneta and motocarro were built from 1952 until 1967. The majority of these were powered by Hispano-Villiers two-strokes, but they also built machines for the Civil Guard assembled using BMW R-27 components. The R-27 engines were also fitted to motocarro.
ROA built some 40,000 motorcycles over 17 years of production.
Models included Foxter motorcycles and Triciclo three-wheelers, both available with 125 and 200cc engines.
Rafael Onieva Ariza (ROA) built his first motorcycle as a student in 1950, and went on to become a property developer, a man of considerable wealth and reputedly a very good person.
In the 1960s, as Tempo Onieva, they began building Tempo vans under licence from the German company and this venture was also a success. In 1967 the firm was absorbed by Barreiros, a major supplier of components for the Tempo.
Talleres de GAL of Calle Aguirre 3, Madrid, advertised as a manufacturer of engines and motorcycles in 1952. An article on Eduardo Barreiros, who became a major force in the Spanish automotive industry, says that "...in 1952 he acquired the GAL workshops (los talleres GAL), of about two thousand square meters, located in the Villaverde neighborhood (Madrid), next to the Andalusia highway. Two years later, together with his brother Valeriano, he founded Barreiros Diesel."
Barreiros acquired the R.o.a. concern in 1967.
Sources: historiadelautomovilenmalaga.blogspot.com, wikipedia.es, OTTW, Moto Clásico, et al.
Notes: 1. Period advertising gives the address "Calle Molina Lario, Málaga", but this may be that of a dealer.
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