Re: [CR]Dimension specs for 24" road bikes

(Example: Framebuilders:Rene Herse)

Date: Fri, 31 Jan 2003 23:11:23 -0700
From: "Chuck Schmidt" <chuckschmidt@earthlink.net>
To: classicrendezvous@bikelist.org
Subject: Re: [CR]Dimension specs for 24" road bikes
References: <007601c2c9db$fd8703e0$a60156d1@pavilion>
cc: henox <henox@icycle.net>

Hugh Enox wrote:
>
> I'm looking for dimensional specs for a 24" wheeled road bike.
>
> I know these are (or were) made by a variety of French and Italian factories to be "junior racer" bikes. I'm hoping that someone has a factory catalog that lists the dimensional specs. It would also be useful to know what tire/rim was specified.
>
> I've looked thru my catalog collection and haven't found anything yet.
>
> Can anyone help or point me to a source?

The Nervex (France) Catalog reproduced by EVIAN (GB) LIMITED from October 1958 shows the following frame designs:

1 Gents, Ultra Upright 2 Gents, Upright 3 Gents, normal 57 4 Gents, normal 52 5 Ladies, T Frame (parallel) 6 Ladies, Loop Frame (parallel) 7 Ladies, Twin Tube 8 Ladies, Twin Tube 9 Juvenile, (Boy) 10 Juvenile, (Boy & Girl) 11 Child (Boy & Girl)

FRAME DESIGN No. 9 "JUVENILE" Boys Frame Upright 18 1/2 Inch

Shows a 470mm seat tube (c to t) with a 500mm top tube. Head and seat angles are 72° and bottom bracket height is 255mm. Chainstay is 415mm and front center is listed at 552mm. Crank is listed as 150mm. Fork rake is 65mm with trail listed at 31mm. Wheel radius is listed at 306mm (Roue 600 A)

It also shows a set of lugs with the note: THIS SET IS AVAILABLE IN FRENCH SIZE ONLY

Chuck Schmidt South Pasadena, Southern California http://www.velo-retro.com (reprints, Timelines and t-shirts listed)

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