Have a look at this: http://www.dtswiss.com/SpokesCalc/Welcome.aspx?language=en Put in your hub, rims and it'll calculate the spoke length.
@xxalex started
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Have a look at this:
http://www.dtswiss.com/SpokesCalc/Welcome.aspx?language=en
Put in your hub, rims and it'll calculate the spoke length.