Re: [CR]spoke direction when relacing wheels


Example: Events:Cirque du Cyclisme:2007

Date: Tue, 10 Jan 2006 15:52:37 -0500
From: "Norm and Val Lafleur" <nvlafleur@verizon.net>
Subject: Re: [CR]spoke direction when relacing wheels
To: "Doug Van Cleve" <dvancleve@gmail.com>, <marcus.e.helman@gm.com>
References: <OF827585BD.577E6AD0-ON852570F2.0061DB07-852570F2.00628034@gm.com> <954702dd0601101002s51e61c03g7b5e04ab4ecd3fda@mail.gmail.com>
reply-type=original
cc: classicrendezvous@bikelist.org

I broke hub a flange after relacing hubs in a different direction. It was a relatively new Campy Record so I returned it to Campy USA for warranty consideration and was refused on the basis that hubs should always be relaced in the same direction. Their statement was that you could change the spoke from inside to outside of the flange or vice versa but you could not change the direction of the spoke tension because the hole deformation weakened the flange in the other direction. When I asked how such important information could be omitted from their product literature, they responded that it was common knowledge in the industry but did send me a replacement hub. This occured in the early 80's. I have relaced hubs many times since then always in the original direction and with no more failures.

Norm Lafleur
Ashfield, Ma.


----- Original Message -----
From: "Doug Van Cleve"
To:
Cc:
Sent: Tuesday, January 10, 2006 1:02 PM
Subject: Re: [CR]spoke direction when relacing wheels



> Howdy Marcus.
>
> Smart folks whom you may or may not always agree with like Jobst Brandt
> say
> to always relace hubs in the same direction. Something about microcracks
> i
> n
> the alloy that are put under more stress by changing the direction of the
> force exerted on them... Plus it looks better covering the marks and even
> the experts disagree on which lacing is better :^)
>
> Doug Van Cleve
> Chandler, AZ
>
>
> On 1/10/06, marcus.e.helman@gm.com <marcus.e.helman@gm.com> wrote:
>>
>>
>> I am going to build a set of wheels on a used pair of hubs (thanks, Paul
>> Raley). It is clear from small marks near the spoke holes which way the
>> hubs were initially spoked. When relacing, does it make more sense to go
>> the same way or the opposite? Same way will cover the marks, but might b
> e
>> weaker because the hole and flange have been pulled that way for years?
>>
>>
>> No metallurgist I,
>> Marcus Helman
>> Huntington Woods, MI