I don’t quite understand this price list’s designation as ‘No. 559 (amended)’. I certainly refers to a very different range than that described in Cyclo’s catalogue No. 559. The derailleur range it describes is:

• The Cyclo Three Speed.
• The Cyclo Four Speed.
• The Cyclo Benelux Mark 7.
• The Cyclo Benelux Mark 12.
• The Cyclo Benelux Tourist

• Publisher: Cyclo Gear Company
• Country: UK
• Date: 1957
• Derailleur brands: Cyclo Gear Company
• Derailleurs: Cyclo Standard, Cyclo Benelux Tourist, Cyclo Benelux Mark 7, Cyclo Benelux Mark 12