This is a rather ratty example of a mid period Super Champion Super Mondial. Some of its features include:

• It is a 4-speed model with '4 Vitesses' stamped on its outer pulley cage plate.
• The hole for the dropout bolt is round and the dropout bolt and nut are relatively conventional.
• The chain tension adjustment ring is brass.
• The pulley cage is 47mm long.
• The outer pulley cage plate is brass.
• The inner pulley cage plate is thin steel and is shaped so that the pulley bolt nuts are recessed.
• The pulley bolts have domed heads and mount from the outside inwards.

• Derailleur brands: Super Champion
• Country: France
• Date of introduction: 1951?
• Date of this example: unknown
• Model no.: unknown
• Weight: 217g excluding hanger bolt
• Maximum cog: 24 teeth?
• Total capacity: 24 teeth?
• Pulley centre to centre: 47mm
• Index compatibility: friction
• Chain width: 3/32" and 1/8”?
• Logic: low normal
• B pivot: none
• P pivot: sprung
• Materials: largely steel, with a brass outer pulley cage plate, chain tension adjustment disc, and nut through which the toggle chain runs