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  1. #1
    Senior Member
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    Can I use a 9mm axel on a 3/8 BMX fork

    I have a road hub (shimano parallax). I would like to mount it on a 20" rim and use it on a commuting bike I have. The fork is 3/8". Is there a 9mm -> 3/8 shim or something I can use? Is there any problem with a 9mm axel in a 3/8 fork?
    2000 Montague CX, I do not recommend it, but still ride it.
    Strida 3, I recommend it for rides < 10mi wo steep hills.
    2006 Rowbike 720 Sport, I recommend it as an exercise bike.
    1996 Birdy, Recommend.
    Wieleder CARiBIKE (folding), decent frame.

  2. #2
    sch
    sch is offline
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    May 2003
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    Birmingham. AL
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    Difference in size is about 0.02", not easy to shim. Strip cut off a soft drink or beer can should about
    do it, probably not really necessary though.

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