• Derailleur brands: Lucchini
• Country: Italy
• Date of introduction: 1952?
• Date of this example: unknown
• Model no.: unknown
• Weight: 327g including the extravagant hanger plate but without the actuating rod
• Maximum cog: unknown
• Total capacity: unknown
• Pulley centre to centre: 50mm
• Index compatibility: friction
• Chain width: 1/8”
• Logic: no logic
• B pivot: unsprung
• P pivot: sprung
• Materials: The main plate, part of the brackets and the knurled cap are aluminium. The rest is steel

Ref. 1946