Re: [CR]re: Stays? Seat or chain or both?


Example: Framebuilders:Masi

From: "Steven Willis" <smwillis@verizon.net>
To: "Todd Kuzma" <tullio@TheRamp.net>, <LouDeeter@aol.com>, <classicrendezvous@bikelist.org>
References: <BCFDBDEE.55A8D%tullio@TheRamp.net>
Subject: Re: [CR]re: Stays? Seat or chain or both?
Date: Wed, 23 Jun 2004 09:14:01 -0700


Yes. There is a lot happening under you in that frame. Steven Willis 1778 East Second Street Scotch Plains NJ 07076 908-322-3330 http://www.thebikestand.com


----- Original Message -----
From: "Todd Kuzma"
To: "Steven Willis" ; ;


<classicrendezvous@bikelist.org> Sent: Tuesday, June 22, 2004 8:43 AM Subject: Re: [CR]re: Stays? Seat or chain or both?


> on 6/22/04 11:39 AM, Steven Willis at smwillis@verizon.net wrote:
>
> > If all else is the same larger diameter or thicker walls means stiffer, and
> > longer gives more movement at the end. Maybe you can not feel it but the
> > science does not change.
>
> The "science" also says that the rear triangle is an inherently stiff
> triangulated structure. The reason that small diameter, thin-walled stays
> can be used is that the geometry provides the necessary strength. The front
> triangle is not triangulated in three dimensions. So, it requires much
> larger diameter tubing to have sufficient lateral and torsional stiffness.
>
> Todd Kuzma
> Heron Bicycles
> Tullio's Big Dog Cyclery
> LaSalle, IL 815-223-1776
> http://www.heronbicycles.com
> http://www.tullios.com