• That'll be good, I'll look forward to the pic. I see about the lever-more common than I realised I guess. I'm torn between getting a Simplex Tour de France or Juy 51/53 or a possibly more practical (and easier to set up I think) early Campagnolo Gran Sport rear derailleur. I'm leaning toward the simplex as I can't help but feel that if someone in '52 had invested in a Gran Sport rear they would have the front equivalent as well and not some old-fashioned rod changer.....possibly this is taking 'period correct' too far !

  • For my 1952 EA Boult I went with a Campagnolo Grant Sport. The very early ones with the drilled wheels are out of my budget. I have a period-correct Huret front derailleur operated by a Cyclo bar end shifter, also period-correct.
    Front derailleurs were a mix in 1952
    see photo and photo
    It was a period of mix and match rather than groupsets. So you can choose components based on what was the best and the designs were quickly evolving.
    The GB Hiduminium ("Standard") continued to be marketed well after the Superhoods were released. So still period-correct.

  • The braze on is different for Campag.
    The Huret/Cyclo/Simplex braze on has a specific pre ISO thread (M5 x1.0mm) and a different shaped boss.

    Juy 51/53 Will need a right side double shifter which are scarce and fetch £60-100 (or more, I hope -I’m going to sell one shortly).
    A 51 with suicide changer would be right.

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