This particular, near perfect, example is a later version, possibly from about 1972. Some of its attributes are:
- It has no hanger plate, but has the unique Gran Turismo bolt for a brazed-on hanger.
- It has no cable adjuster.
- Derailleur brands: Campagnolo
- Categories: Campagnolo - touring with terror
- Country: Italy
- Date of introduction: 1970?
- Date of this example: unknown
- Model no.: 2270?
- Weight: a hilarious 394g
- Maximum cog: 34 teeth (Sutherland’s 3rd edition)
- Total capacity: 36 teeth (Sutherland’s 3rd edition)
- Pulley centre to centre: 81.5mm
- Index compatibility: friction
- Chain width: 3/32
- Logic: top normal
- B pivot: sprung
- P pivot: sprung
- Materials: steel, like it was going out of fashion
