- Derailleur brands: Sachs, manufactured by Huret
- Categories: Sachs - the Rival story
- Country: Germany, manufactured in France
- Date of introduction: 1981?
- Date of this example: 1982 (stamped 2082, week 20 1982)
- Model no.: unknown
- Weight: 249g
- Maximum cog: 30 teeth (Huret) or 28 teeth (Sutherland’s 6th edition)
- Total capacity: 28 teeth (Huret) or 30 teeth (Sutherland’s 6th edition)
- Pulley centre to centre: 50mm
- Index compatibility: friction
- Chain width: 3/32”
- Logic: top normal
- B pivot: sprung
- P pivot: sprung
- Materials: largely steel with an aluminium outer parallelogram plate and b-knuckle.
