Bicycle companies simply cannot resist the temptation to form bicycle shaped logos from the letters of their names. This curse crosses all continents and cultures and strikes down even the classiest of organisations. It is sad to see Sanko contracting the infection.

• Publisher: New Cycling
• Country: Japan
• Date: March 1966
• Derailleur brands: Sanko, Simplex
• Derailleurs: Sanko PA, Sanko PF, Simplex Prestige