Re: [CR]Too much frame flex

(Example: Production Builders:Peugeot:PX-10LE)

From: "Scott Peterson" <bobbycorno@bendbroadband.com>
To: "Robert D. Dayton,Jr." <rdayton@carolina.rr.com>, <classicrendezvous@bikelist.org>
References: <200509300505.j8U55t1u005587@ms-smtp-04-eri0.southeast.rr.com>
Subject: Re: [CR]Too much frame flex
Date: Fri, 30 Sep 2005 07:08:16 -0700


I'm 6'3", weigh 175-180 and ride a 62cm (c-c) frame, which could be part of the problem.

SP


----- Original Message -----
From: "Robert D. Dayton,Jr."
To: 'Scott Peterson'


<classicrendezvous@bikelist.org> Sent: Thursday, September 29, 2005 10:08 PM Subject: RE: [CR]Too much frame flex


> Wow Scott.
> How much do you weigh?
> Just curious.
> Rob Dayton
> Charlotte NC
>
> -----Original Message-----
> From: classicrendezvous-bounces@bikelist.org
> [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of Scott Peterson
> Sent: Thursday, September 29, 2005 1:07 PM
> To: classicrendezvous@bikelist.org
> Subject: Re: [CR]Too much frame flex
>
> Never crashed because of it, but the only bike I've ever ridden that
> actually scared me was a victim of excessive torsional flex. Going downhill
> at speed, the rear end would flex so much every time I hit a bump that the
> bike would literally change directions. Not a comfortable sensation,
> especially at 40+ mph... This was a titanium frame from a very well
> regarded name (E___ M_____ Ti AX, built by L_______). Soured me on Ti
> frames for good.
>
> Scott Peterson
> Bend, OR
>
> ps - no, it wasn't wheel flex: my light steel bike w/the same wheels has no
> such problems. Nor was it fork flex, since I was running a Columbus Max
> steel fork, and the problem occurred only when the rear wheel hit a bump.
> ----- Original Message -----
> From: "Mazzeo, Daniel" <Daniel.Mazzeo@usap.gov>
> To: "charles nighbor" <cnighbor@pacbell.net>;
> <classicrendezvous@bikelist.org>
> Sent: Thursday, September 29, 2005 9:41 AM
> Subject: RE: [CR]Too much frame flex
>
>
> > Worst crash/fall I ever took was the result of frame flex pulling the
> > rear derailleur cable and sending the chain between cogs while standing
> > on the pedals going uphill full force. I had religiously made sure my
> > rear shifter was tight enough to prevent this but did not check it on
> > this particular day. Landed very hard on left hip and turned black from
> > the ankle to the armpit, smelled like a corpse. It was not fun. Yes
> > you can have too much frame flex.
> >
> > Dan Mazzeo
> > Morrison, CO
> >
> > -----Original Message-----
> > From: classicrendezvous-bounces@bikelist.org
> > [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of charles
> > nighbor
> > Sent: Thursday, September 29, 2005 10:19 AM
> > To: classicrendezvous@bikelist.org
> > Subject: [CR]Too much frame flex
> >
> > There can be too much frame flex. While at a friends house for dinner I
> > tried to ride his wife women's style ten speed starting at the bottom of
> > a small but still a hill. I could not get up. I couldn't believe that
> > has good and strong a rider I was then that with my skill and strength I
> > couldn't somehow finesse and power my way up. After 10 or so tries I
> > believed in too much frame flex is not contusive to good climbing or
> > even climbing a hill.
> > Charles Nighbor
> > Walnut Creek, Ca