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  1. #1
    The Crank
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    Another Pista question - rear axle width?

    Hello,
    I bought a used Campagnolo Pista wheelset but noticed that the rear axle doesn't protrude to the end of the nuts. In other words, the nuts are binding on the axle by only a few threads. I don't feel confident in tightening them.
    The length of the axle is 15.5 cm, and the length on my other wheel is 16.5 - which seems to be perfect.
    What's up here? Is 15.5 standard or had it been changed. Where can I get a 16.5?

    Thanks, ....

    Tom

  2. #2
    Senior Member
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    You're using them in a track frame with 120mm rear axle spacing?

  3. #3
    Elitist carleton's Avatar
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    Chances are that the wheel is old from the days of steel dropouts. Now I assume that you have an aluminum or carbon bike with thicker dropouts...maybe 2-3x as thick.

    There's not much you can do about it. Maybe see if you can get a modern axle for the wheel.

  4. #4
    The Crank
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    It is a modern bike with 120 spacing.
    Yes, the dropouts are a little thick all right, but I would expect that a modern hub like the Pista woudl have provision for that.
    Does anyone have a back Pista hub to see if it has 15.5 axle width, or was mine changed. I can't find anything on axle lenght on-length.

  5. #5
    Senior Member
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    It's the same trouble you'll have with any NJS hub in a modern non-steel frame. If you've got three or four threads engaged I wouldn't worry about it.

  6. #6
    A little North of Hell
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    nuts

    try using a standard 10mmX26 tpi nut(non track nut)and a thin 1mm brass washer
    [SIGPIC][/SIGPIC]
    XXXI

  7. #7
    The Crank
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    Quote Originally Posted by Soil_Sampler View Post
    try using a standard 10mmX26 tpi nut(non track nut)and a thin 1mm brass washer
    Yes, I got two 'ordinary' nuts in the meantime with thin, stainless washers. It is a metric fine thread. It is not as nice as the track nuts and they are not 15mm, but at least I can use the wheel now as they screw in much further. I just wouldn't have confidence to tighten the nuts properly with only a few threads engaged.
    I'd still like to get a 16.5 axle and use the proper track nuts though.

  8. #8
    A little North of Hell
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    titanium fasteners

    Quote Originally Posted by tomgdaly View Post
    It is not as nice as the track nuts.
    there are a lot nicer fasteners.



    [SIGPIC][/SIGPIC]
    XXXI

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