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From: AMuzi <a...@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: too-long spokes
Date: Wed, 31 Oct 2012 16:19:07 -0500
Organization: Yellow Jersey, Ltd.
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On 10/31/2012 3:52 PM, David Scheidt wrote:
> Jay Beattie <jbeat...@lindsayhart.com> wrote:
> :On Oct 31, 12:40� pm, David Scheidt <dsche...@panix.com> wrote:
> :> Robert Cooper <robertcoo...@frontiernet.net> wrote:
> :>
> :> :On Wednesday, October 31, 2012 2:18:35 PM UTC-4, AMuzi wrote:
> :> :>
> :> :> That's nice, but most competent LBS will calc them for you
> :> :>
> :>
> :> :The LBS calculated the lengths and then inspected the first iteration of the wheel.
> :>
> :> :Said is was no problem.
> :>
> :> :I still think it IS a problem, so I’m going on to Plan B.
> :>
> :> :I will post again, if Plan B works or if it does not work.
> :>
> :> :(The calculation was a little non-standard, because I was using an Ultegra hub spaced to 135 -- with a replacement axle of correct length -- to fit my frame.)
> :>
> :> The axle length doesn't change where the flanges are with regards to
> :> the rim. � That's what sets the length of the spokes.
>
> :Axle length and spacing does affect dish. If he were dumping a bunch
> :of spacers on the left side, it would mean he could lengthen the
> :spokes on the right and reduce the over-all dish.
>
> Duh.  I retract mhy earlier comment.
>

Sorry I replied to you and not to OP but I don't think you 
are wrong.

Running a quick calc with a single wall Weinmann 215 27" on 
Alivio rear hubs in 130mm and 135mm I get 0.4mm left side 
difference and zero right side difference.

I still think the shop is in error and ought to exchange the 
spokes.

-- 
Andrew Muzi
  <www.yellowjersey.org/>
  Open every day since 1 April, 1971