By 1936 the Simplex Champion 35 had morphed into the Simplex Champion 36. The description says it features an ‘oil bath’.

• Publisher: L’Institut national de la propriété industrielle
• Inventor: Lucien Juy
• Country: France
• Date: French application September 1936
• Derailleur brands: Simplex
• Derailleurs: Simplex Champion 36