This advert may indicate that the Sanko PF can be used with a 14 to 24 tooth freewheel.

• Publisher: New Cycling
• Country: Japan
• Date: July 1965
• Derailleur brands: Sanko, Simplex
• Derailleurs: Sanko PF, Simplex Criterium, Simplex Prestige (532), Simplex Promotion?, Simplex Cadet