The cover of this catalogue celebrates Ian Steel’s victory in the 1951 Tour of Britain - using Cyclo gears.

The range of gears itself is little changed from the 1950 catalogue - except that the Cyclo Benelux featured is a new, improved design.

• Publisher: Cyclo Gear Company
• Country: UK
• Date: My guess is that 519 means September 1951
• Derailleur brands: Cyclo Gear Company
• Derailleurs: Cyclo Standard, Cyclo Benelux, Cyclo Ace