Velo Manufrance Rétro-Directe “Hirondelle Luxe” Modele 11-1907
Although Barberon & Meunier first patented the retro-direct system in 1869, the gear system was further developed and refined by other companies, including Manufrance, at the turn of the 20th century. The Hirondelle, or “swallow” (the bird) in French, was introduced in 1903 and became the leading example of the retro-direct gear system and the […]
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