Deronziere motorcycles  were produced in Lyon between 1903 and 1914. Besides their own power units  Peugeot or Zedel  engines were used.

It has an automatic inlet valve and mechanically operated exhaust valve as was common with many French machines at the time. A special feature is the ignition system, a make and break system in the cylinder head instead of the usual points in the magneto. There is a spark plug in the cylinder head, but that only has a central electrode.

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