DISRAELI GEARS

Super JIC Course

Super JIC Course derailleur main image

This derailleur was amazingly innovative. It is a proper parallelogram design, mounting on the drop out, with a low gear stop screw. With all this technology it came on to the market 5 years before Campagnolo’s Gran Sport.

Why is it a forgotten irrelevance? Probably because it was a single pulley design - and so doomed to uselessness.

The Super JIC Course is exceedingly similar to the Super-Inax Sport in this collection, with the crucial difference that the Super JIC Course is bronze and the Super-Inax Sport is aluminium. They are so similar that I have assumed that they came from the same manufacturer.


  • Derailleur brands: JIC
  • Country: France
  • Date of introduction: 1946
  • Date of this example: unknown
  • Model no.: unknown
  • Weight: 283g including hanger plate
  • Maximum cog: 22 teeth?
  • Total capacity: 8 teeth
  • Pulley centre to centre: not applicable
  • Index compatibility: friction
  • Chain width: 3/32” and 1/8”?
  • Logic: low normal
  • B pivot: one sprung pivot
  • Materials: bronze rear knuckle and parallelogram arms, steel front knuckle, pulley cage plate and hanger plate.
Super JIC Course derailleur additional image 01
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