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  1. #1
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    Mavic 501 hubs. French threaded?

    Hiya,

    Does anyone know which type of thread is on an old Mavic 501 36H hub ?

    Screen shot 2011-02-18 at 13.06.04.jpg

    Thanks

  2. #2
    slow as I ever was Ex Pres's Avatar
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    I don't know if there are any markings on the hub to tell you, but having a set of thread pitch gauges can be helpful in many cases, as well as a digital caliper. And these aren't expensive, like $10-$15 for the calipers and probably less for a set of the thread gauges (mine were included in a tap and die set). I use both of these tools extensively on my bikes.
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  3. #3
    Senior Member ColonelJLloyd's Avatar
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    Quote Originally Posted by Ex Pres View Post
    I don't know if there are any markings on the hub to tell you, but having a set of thread pitch gauges can be helpful in many cases, as well as a digital caliper. And these aren't expensive, like $10-$15 for the calipers and probably less for a set of the thread gauges (mine were included in a tap and die set). I use both of these tools extensively on my bikes.
    +1
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  4. #4
    Senior Member SJX426's Avatar
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    IDK but mine takes a standard FW, not French. Check if the FW side bearing is exposed. If it is, it is a 550.

    Mavic Hub description.jpg

  5. #5
    Senior Member Grand Bois's Avatar
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    Were French-threaded hubs still being made when those hubs were manufactured?

  6. #6
    Senior Member The Thin Man's Avatar
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    Oh boy do those look familiar. I'm not sure if the link/thread will help you with your original post but there is a lot of good info about those hubs in it.
    And by the way, +1 to what Ex Pres says. Buy a cheap set at Harbor Freight, if you have one in your area.

  7. #7
    Senior Member Grand Bois's Avatar
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  8. #8
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    Quote Originally Posted by Grand Bois View Post
    Were French-threaded hubs still being made when those hubs were manufactured?
    Literature shows the 501 came in both Italian and English threading. No French mentioned. See attached scan.
    Attached Images Attached Images

  9. #9
    Senior Member Chris W.'s Avatar
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    I have often seen Mavic hubs (500,501,550 etc) with French threads offered on ebay. Mostly see English threading though.

    Cheers,
    Chris

  10. #10
    Senior Member Grand Bois's Avatar
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    If you say so.

  11. #11
    Can'tre Member 3alarmer's Avatar
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    Quote Originally Posted by Ferguzz View Post
    Hiya,
    Does anyone know which type of thread is on an old Mavic 501 36H hub ?
    Thanks
    I'm not good at encyclopedic knowledge
    type questions about components (reminds
    me of Jeopardy), but one of the more
    interesting mechanical tidbits I've picked up
    in the last couple of years is that:

    Freewheels and rear hubs generally use
    the same threading and diameters as
    bottom brackets.
    Pretty amazing when you think about it that I
    was unable to figure this out by myself, but there
    you have it.

    This means if you have a RH threaded BB cup of known
    standard, you can use it to check the threading fit of a
    freewheel. (I have done this and it works.)

    And in theory (I have not yet tried this, so if you do
    and it screws something up, it was not me who told
    you to do it) you should be able to CAREFULLY
    try out the threading on your hub with the axle
    removed, for fit with a known standard of BB.
    On the RH threaded side, of course.

    IT"S AN ALLOY HUB (soft)--It's a STEEL BB shell(hard)

    Probably preferable would be to try a couple of known
    standard freewheels -- but by now I think you have
    the concept, which is do this carefully.

    Respectfully,
    Mike Larmer
    Last edited by 3alarmer; 02-18-11 at 03:28 PM. Reason: Clarification
    Quote Originally Posted by The Australian Book of Atheism
    There is only no god, and Cyclaholic is his prophet.

  12. #12
    Senior Member Chris W.'s Avatar
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    http://cgi.ebay.com/Hubset-MAVIC-501...item23043a5b49

    I read it on the internet so it must be true

    Cheers,
    Chris

  13. #13
    Senior Member Chombi's Avatar
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    Quote Originally Posted by Chris W. View Post
    http://cgi.ebay.com/Hubset-MAVIC-501...item23043a5b49

    I read it on the internet so it must be true

    Cheers,
    Chris
    Yup, saw that one too, I think it's been on eBay for a while(?) The "OLN" strikes a chord with me.......Someone buy it quick!! it must be as rare as chicken lips!!

    Chombi

  14. #14
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    Well, the interestring thing about the specs I posted if that they are in English and French language, so the catalog would appear to have been intended for the French domestic market too. You'd think that they would list French thread options for the French market, if they were available. Of course, they could have dropped the option earlier.

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