DISRAELI GEARS

Charvin Le Lautaret (4th style)

Charvin Le Lautaret (4th style) main image

In 1936 Charvin introduced the Charvin GRI-GRI Route, a direct-pull development of the pull-chain 1953 Charvin Le Lautaret. In 1937 Charvin, confusingly, renamed this model as the Charvin Le Lautaret.

It was a fairly well made, simple, mechanism with a distinctively offset pulley cage. The sliding rod and the spring that controlled the movement in and out were both reasonably well sealed. This was probably quite a good design for maintaining a reasonably constant chain gap.

This particular example has a silver pulley cage, silver 35.0mm diameter pulleys, 10mm pulley bot nuts, a cable adjuster and a curved tube to direct the cable.


  • Derailleur brands: Charvin
  • Country: France
  • Date of introduction: 1937?
  • Date of this example: unknown
  • Model no.: unknown
  • Weight: 302g excluding, chainstay clamp bolt, cable clamp bolt, spring and chainstay spring clip
  • Maximum cog: 28 teeth
  • Total capacity: 28 teeth?
  • Pulley centre to centre: 76mm
  • Index compatibility: friction
  • Chain width: 1/8”
  • Logic: low normal
  • B pivot: none
  • P pivot: sprung
  • Materials: steel with a brass (?) cable clamp
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