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  • Spoke lengths and other wheel building fun…
  • justinbieber
    Full Member

    My existing wheels have WTB rims that have an ERD of 537. If I was to try to rebuild the wheels with rims that have an ERD of 542, would I need new spokes?

    Actually, it was just one question. Oh well…

    Posted 10 years ago
    mikewsmith
    Free Member

    http://spokes-calculator.dtswiss.com/Welcome.aspx?language=en

    Posted 10 years ago
    justinbieber
    Full Member

    Ta. That gives spoke lengths that are shorter by 2mm on the new rim. Next question – is this critical and I need new spokes, or can I get away with it and use the old ones?

    Posted 10 years ago
    pjm84
    Free Member

    Went from a 605 to a 601 ERD (Crest to Flow) the other day and just about got away with it. Did consider going down to a 12mm nipple from a 14mm to accommodate the 4mm reduction but the spokes weren’t poking through so they had some allowance.

    Posted 10 years ago
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