A brilliant, moody, photo of the Huret Route Touriste, all burned-out highlights and unexplained shadows, probably captured in a louche, Parisian, boudoir.

• Publisher: L’Institut national de la propriété industrielle
• Inventor: André, Roger and Jacques Huret
• Country: France
• Date: French application October 1943
• Derailleur brands: Huret
• Derailleurs: Huret Route Touriste