Wheel Truing Tolerance?
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Wheel Truing Tolerance?

This is a discussion on Wheel Truing Tolerance? within the Technical forums, part of the Caferacer.net Forums category; guys- how much lateral run out is OK and what's about the best that could be expected? i got a dail indicator for christmas, thousandths ...

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  1. #1
    Senior Member ttilghman's Avatar
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    Wheel Truing Tolerance?

    guys-

    how much lateral run out is OK and what's about the best that could be expected? i got a dail indicator for christmas, thousandths of an inch increments.

    -tt


  2. #2
    Moderator ROSKO's Avatar
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    1/16" is a bit much, shoot for around 1/32"-ish and below? Set-up a stop and eyeball it, the dial indicator will drive you nuts, way to exact.

    BORN TO LURK, FORCED TO WORK.
    www.NYCvinMoto.com
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  3. #3
    Moderator jbranson's Avatar
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    TT, I shoot for around .020" max. and I'm real happy if I get .010".
    That's with a QUALITY alloy rim like excel, DID, Akront etc. You won't get that with chinese rims. And often the weld seam won't fit into those tolerances. So I kind of discount the seam...you might not see it by eye...but you'll find the seam no problem with the indicator.
    I pay a tad more attention to getting the axial runout good...the bike will tolerate more lateral runout than axial, you'll feel the axial more.
    But even .030-.040" is usable without a problem if the rim just doesn't want to straighten out....depending on what tire you use it's rare for the tire itself to have run out less than that.
    Also depends on how fast the bike is...a runout or balance that's acceptable at 80-85mph might not be at 110 mph.
    JohnnyB


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  5. #4
    Senior Member ttilghman's Avatar
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    thanks guys.

    -tt


  6. #5
    Moderator joe c's Avatar
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    its almost impossible to get it below .010 in both directions. ive been shooting for about 15. the dial indicator is nice because you can tighten one, then check it. the inner spokes more affect the up and down, the otters more affect the potatoe chip.

    jc






  7. #6
    Moderator jbranson's Avatar
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    Yeah...I've never really thought of that...the outers would effect the side to side more than the inner...I'll have to keep that in mind the next time.

    In a good stand you can actually read the change on the indicator as you tighten the spoke....but then I don't have a good stand.
    JohnnyB


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