RE: [CR]Crank length/Vintage Bicycle Quarterly


Example: Framebuilders:Rene Herse

From: Brandon Ives <monkeylad@mac.com>
To: "Beyer Jr., Chris (C.C.)" <cbeyer2@volvocars.com>
Subject: RE: [CR]Crank length/Vintage Bicycle Quarterly
Cc: "'Sterling'" <sterling@tns.net>, classicrendezvous@bikelist.org
Date: Wed, 11 Sep 2002 14:24:08 -0700 (PDT)

On Wednesday, Sep 11, 2002, at 01:21PM, Beyer Jr., Chris (C.C.) <cbeyer2@volvocars.com> wrote:
>This should be an interesting thread, given the divergence of opinions out there.

BBWWWWWHHHAAAAA. . . . (Evil mad scientist laugh) Here's something I posted on the subject on the Bicycle Science list about a year ago.

Archive-URL: http://search.bikelist.org/getmsg.asp?Filename=bicycle-science.10106.0022.eml Date: Fri, 15 Jun 2001 00:00:08 -0400 From: Bicycle Science <BiSci@sheldonbrown.com> Subject: Re: Frame fit/biomechanics - Brandon Ives

From: Brandon Ives <brandon@engineering.ucsb.edu>

This is one of the oldest questions in cycling, over 100 years ago builders and racers asked the same questions. . . over and over and over. . .

The biggest problem is using the term "ideal", what is meant by this? Ideal for what? Ideal for who? Looking at bike fit for years and having quite a few physical therapist friends who know nothing about bikes but love to talk about bike fit and biomechanics with me I come up with one sure thing. That is, there is NO "ideal" set way to "fit" a bike. When a person gets a fit that is the "fit" for that time and place, that is not the same "fit" for 6 months later heading into a 15mph headwind. As we get older or our conditioning changes our "fit" changes. Also if two "identical" riders are fit to the same bike the person whose riding style is closer to the standard used for the base of the fit will be more efficient. Optimum output for any particular mode of cycling is also quite different the "ideal fit" for climbing is very different than the "ideal fit" for time trialing or touring.

What we need to talk about is fit balance and this is why there is no cut-n-dry rules for frame fit after 100 years. I have my own personal feelings on fit and have read many others over the years and have found very few that were actually wrong. Check out http://www.cyclemetrics.com/ for a page of links to articles on bike fit. My personal view is to try to find the most comfortable fit for a person, but to each their own. Each person is an individual and that's the real key to fit.

enjoy,
Brandon"monkeyman"Ives
SB, CA