The text of this advert doesn’t add much to the advert of January 1925. It does, however, include an image of the Boizot Le Montagnard derailleur. It is shown as a fairly sophisticated 3 speed system.

(Source gallica.bnf.fr/ Bibliothèque nationale de France)

• Publisher: T.C.F. Revue Mensuelle
• Country: France
• Date: June 1925
• Derailleur brands: Boizot
• Derailleurs: Boizot Le Montagnard