Message from discussion Spoke Tension of Rear Wheel

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From: Werehatrack <raul...@earthWEEDSlink.net>
Newsgroups: rec.bicycles.tech
Subject: Re: Spoke Tension of Rear Wheel
Date: Sun, 11 May 2008 21:01:29 -0600
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On Sun, 11 May 2008 18:39:40 -0700 (PDT), Gig Miller
<thunderha...@yahoo.com> may have said:

>This is my first wheel build. Using 700C Velocity Deep V rims and
>Wheelsmith DB14 spokes.
>
>I have been told by the folks at Velocity that they build their rear
>wheels with spoke tension of 110-120KgF.
>
>Something doesn't seem right. If I take the left side spokes to
>110KgF, I have to tighten the right side spokes to appox. 180KgF in
>order to get the dish right.
>
>Does this sound right? Is 180KgF too much? If I take the right side
>spokes to 120, the left side seems loose at about  72 KgF.
>
>I'm using a Park Tool Tension Meter to get these values. Am I missing
>something?

Measure the tension of the drive side, not the non-drive, when
building.  The non-drive will end up at a lower tension, and that's
normal. Tensioning the spokes beyond the rated maximum for the rim is
not recommended. 

The accuracy of the Park tool is subject to fudge factors relating to
its handling of spoke thickness, if I recall correctly.  Jobst Brandt
can elaborate on that issue.
 


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