On " Il Romanzo di Coppi" , special edition of a Italian magzine " Lo Sport " ,Nov.1953, I find some information on Coppi's Bianchi. Maybe this is not what you want, but I write down here.
# 170mm cottered Bianchi cranks with TA adopter and 50, 46 chainrings # Freewheel ; 14 - 22 # frame; 17.5cm head tube , 63.5cm down tube , 61cm seat tube , 58.5cm top tube # stem 10cm # Pirelli tubulars ; front ; 310g always rear ; 250-280g criterium or "Milano-Sanremo" 300g "Giro del Veneto" 310g "Giro D'Italia" # The saddle was at least 20 years old. # bicycle weight ; 9.5 kg # Coppi had 4 bicycles which were all same. # Above information was given by Pinella and Gillardi of the " Reparto Corse " of Bianchi
Takao Noda
Hachioji, Tokyo, Japan
<hetchinspete@hotmail.com>; <paulieflt@yahoo.com>; <classicrendezvous@bikelist.org> Sent: Friday, December 22, 2000 2:54 AM Subject: Re: [CR]Masticating Coppi's gears
> Here's something different to chew on.
>
> I posted this a few days ago but as some were engaged in other
aspects of
> social intercourse I assume the query fell through the cracks.
(Or maybe its
> just not that interesting a subject.)
>
> Patrick Moore on the iBoB list posted the following:
>
> "Does anyone know what gearing Coppi, Bartali et al, used in
the late 1940's,
> early 1950s? The single ring in the retrospective bike looks to
be something
> like a 48 or 50 t, and the description says they used only 4
cogs. Does
> anyone know the exact set up? I think it was Ashley Korenblatt
who said that
> Coppi climbed the Ventoux on a 48 x 19, which is pretty high
67" or 68" gear
> for steep mountains, especially if the roads were dirt."
>
> So there's the challenge. Does anybody know the answer or have
any relevant
> information? Does anyone on list own one of the bikes in
question? (Yes, I
> have a suspect.) Does anyone give a Flying Scott? (Sorry.)
>
> By the way, some threads on the iBoB list have been very CR
oriented of late.
>
> Regards,
>
> Carlo Carr
> New Orleans
> (Who doesn't want to email Patrick Moore to say "the CR list
has no
> opinions..on this matter")