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Help Identify These Hubs?

February 26, 2013

Does anybody recognize these hub and brake parts?  Manuel Parra from Madrid Spain asked for help in identifying them.  He can be reached at

cometainst(@)    Remove the (  ) before sending an email.


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carburador dellorto y bujes 032

10 Comments leave one →
  1. Somer Hooker permalink
    February 26, 2013 2:08 pm

    Bultaco ?

    • February 26, 2013 2:14 pm

      Maybe. They are too modern for me to know. But they look nice with the scalloped fins.

  2. Anton D permalink
    February 27, 2013 12:22 am

    Looks like a marvelous example of backyard engineering to me.
    The brake shoes don’t look like something from a serious factory? Or were they lost and replaced later by a less competent “engineer”?
    But all-in -all a very interesting hub!

  3. February 28, 2013 9:10 pm

    The numbers on the tape measure are too close together. And what are all those lines inbetween the numbers for?

    I was guessing spanish montessa maybe. The works look like one off stuff but with the ball bearings I would say factory race program.

  4. March 1, 2013 1:25 am

    The scoop looks like a sixties Bultaco Metralla, sez my memory 🙂

  5. March 1, 2013 8:36 am

    Manuel sent me this note:

    Hi Pete, I’ll explain a little about the hubs, to put it in the comments. are neither Bultaco or Montesa, one this written in Enfield, possibly the hubs are English. and the total size is 33 cm outer 12,9 inches. and the brake plate 30 cm 11,7 inches.
    Tthey have absolutely nothing to do with any Spanish motorcycle.
    The shoes that is adapted in the old time other.and welded but the frame of the shoes is original.

    best regards

    • Anton D permalink
      March 2, 2013 5:42 am

      Thank you for the explanation, Manuel.
      Could it be that the original shoes were longer? So that they covered more of the available brake-area? The ones fitted now only use about 60% of it.
      But, I still believe they are backyard/backstreet made. And not the worst I have seen, really nice hubs that would not be out-of-place on a period racer?

  6. March 4, 2013 4:21 am

    Hi,… Just had a look at the brake hub and brake plate and would Hazzard a guess at early AJS 7R?

    Kind regards,
    Geoff. (In OZ)

  7. November 27, 2013 10:47 pm

    Are there any threads that can be analysed? That’s what collectors of rare early model airplane motors do with “watzits” to get a hint on the origin of stuff. Not to rarely, limited production or one off motors show up, sometimes very elaborate in execution. Maybe this is a home built? Also I don’t quite get Manual’s English that, “one this written in Enfield.”
    Something is stamped Enfield? That would be a give away for sure. Do decimal inches tell you engineers anything? I’m used to fractions. Thanks, Paul V Long Beach- Love it!

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