Calling wheel builders: Can you rebuild a used rim?- Mtbr.com
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  1. #1
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    Calling wheel builders: Can you rebuild a used rim?

    So, I wasn't aware that there might be issues rebuilding a wheel with a different hub. Can a used rim, assuming it is fairly true and round, be rebuilt using a different hub? This would be a Mavic 719 rim.

    I was just told that once a wheel is laced to a hub that it cannot be rebuilt.

    Thanks

  2. #2
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    Just be careful and release the wheel tension slowly!! Check and see if the hub has the same number of spoke holes as the wheel. You might need different length spokes depending on the hub diameter!!

  3. #3
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    Thanks skywalker. I knew the spokes would need replacing due to the change in ERD to Hub flange dia. Just wasn't sure why I'd need to trash a perfectly good rim.

  4. #4
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    I would like to hear a reason also!! Cause I can't see it?

  5. #5
    A wheelist
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    Lots of us, around here, into building wheels, have re-used rims or replaced hubs many times. Almost no pro wheelbuilders will re-use old rims (or spokes) as they usually have to guarantee their work and they have no idea what trauma those parts have had. Plus, it would take a longer time to build with a rim that wasn't perfect and if the rim was bent to begin with, the unequal tensions needed on the spokes to pull it into shape would compromise the longevity of the wheel.

    So if you're sure the rim was never bent (pluck/ping the spokes to check for uneven tensions) then go for it. If the hub dimensions are different then new spokes will be needed.

  6. #6
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    Ok, thanks for the response, Mike T.

  7. #7
    Fat-tired Roadie
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    Failed to +rep Mike T. I guess I need to find some new people to agree with.

    The front wheel on my 'cross bike is a rebuild using an existing rim and spokes with a new hub. So far, so good. But while that bike gets used pretty hard when I use it, it spends a lot of time in the basement.
    "Don't buy upgrades; ride up grades." -Eddy Merckx

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