Re: [Classicrendezvous] Busted Genius

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

Date: Wed, 18 Oct 2000 08:33:47 -0700
Subject: Re: [Classicrendezvous] Busted Genius
From: "Dave Feldman" <feldmanbike@home.com>
To: dave bohm <davebohm@azstarnet.com>, PeterGrenader <peterg@ixpres.com>
CC: classicrendezvous@bikelist.org


I used to work at a shop (Bike Gallery, Portland OR) that sells Marinoni. Marinoni, at least a few years ago, wouldn't build an all-Genius frame, they'd substitute an EL down tube; the Genius one being light enough to spook Giuseppe. David Feldman ----------
>From: "dave bohm" <davebohm@azstarnet.com>
>To: "PeterGrenader" <peterg@ixpres.com>
>Cc: <classicrendezvous@bikelist.org>
>Subject: Re: [Classicrendezvous] Busted Genius
>Date: Wed, Oct 18, 2000, 7:37 AM
>
>Hi Peter,
>
>Pretty wild huh! That is unusual but Genius was very light tubing and it
>could happen. An interesting trend has been happening at Columbus recently
>and that is that the tubesets have gotten heavier. For a while there they
>were making really light tube sets by the name of Genius and Nemo. Both of
>these tubesets use differential butting, which means it may have been butted
>in the vertical plane of the tube but not so on the horizontal plain. Nemo
>for instance was really light and only recommended for riders under 140lbs.
>When Foco cam out with its usual fanfare I noticed that it weighed 150 grams
>more than Nemo and even slightly more than Genius. They must have realized
>they had pushed the older material (Nivacrom) too far and insidiously added
>some heft. Sometimes I feel like I am the only one who noticed this little
>fact. Foco is a higher strength material than Nivacrom so maybe Ultra-foco
>won't be as unreliable as Nemo was but that is yet to be seen.
>
>Sincerely,
>David Bohm
>Bohemian Bicycles
>
>----- Original Message -----
>From: PeterGrenader <peterg@ixpres.com>
>To: Richard Rose <rmrose@toast.net>
>Cc: Jerry Moos <moos@penn.com>; Richard M. Sachs <richardsachs@juno.com>;
><Hilary.Stone@Tesco.net>; <mbikealive@earthlink.net>;
><Classicrendezvous@bikelist.org>
>Sent: Tuesday, October 17, 2000 11:03 AM
>Subject: Re: [Classicrendezvous] Mexico vs Super (was: Colnago quality)
>
>
>> Regarding latest steel offerings and people's rightful paranoia of wall
>> thickness, I humbly submit the following knowning there are framebuilders
>> amongst us:
>>
>> A couple of years ago, a woman racer I know had a 'not yet at high speed,
>not
>> a prime or bell lap' women's senior cat 4 crash in a local crit. She tee
>boned
>> another who had laid her bike down before her. My friend was on a steel
>Coppi
>> made of Columbus Genius tubing. Not only did the frame fail, but the
>front end
>> actually separated from the rest of the bike right at the top/down tube
>butts.
>> Kinda weird considering they were going relatively slow.
>>
>> On closer expection, I realized that the top tube wall thickness of the
>Genius
>> was so thin you could peel the edges with your fingers like a coke can.
>That
>> got me right in the 'stary as hell' bone.
>>
>> respectfully submitted,
>>
>> Peeeeeeter
>> (Santa Monica)