DISRAELI DOCUMENTS
Publisher: New Cycling
Country: Japan
Date: January 1966
Derailleur brands: Sanko, Simplex
Derailleurs: Sanko PA, Sanko PF, Simplex Prestige (532)
These derailleurs are shown with a 14 to 26 freewheel, perhaps indicating that they can handle this range.
New Cycling January 1966 - Sanko advert