Re: [CR]Colnago Frame Dating, Version III

(Example: Component Manufacturers:Avocet)

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From: "Chuck Schmidt" <chuckschmidt@earthlink.net>
Subject: Re: [CR]Colnago Frame Dating, Version III
Date: Mon, 10 Sep 2007 18:58:39 -0700
To: Classic Rendezvous <classicrendezvous@bikelist.org>


Hi Dan, I like photos and how and why are you almost certain it is a '72 Super?

Chuck Schmidt South Pasadena, CA USA

On Sep 10, 2007, at 6:51 PM, DB wrote:
> Hi all,
> I am lucky enough to have what I am almost certain is a 1972 Super.
> It differs from Version III below in that it has 3 holes in each
> fork tang, not 2, clover cutouts on all 3 lugs, and a small circle
> cutout on the bottom part of the seat tube lug, below the top tube.
> It is a 58cm, and I will email pics/measurements to anyone interested.
> Thanks!
> -Dan Borden in Brookline, MA
>
> At 3:28 PM -0700 9/10/07, Chuck Schmidt wrote:
>> Thanks to all of you that have responded (four so far).
>>
>> Need input on the following:
>> -- Last year for club cutouts in all three lugs (changed to single
>> club cutout in lower head lug)
>> -- Plus anything else that's questionable... (thanks to those of
>> you that have responded)
>>
>>
>> =================================
>> Colnago Frame Dating, Version III
>> =================================
>>
>> 1969 and earlier?
>> 1969 -- Playing card decal graphics
>> 1969 -- Fork crown (sand cast) with two holes in each side
>> 1969 -- Fork tangs wide, no cutouts
>> 1969 -- Club cutouts in all three lugs
>> 1969 -- Bottom bracket shell with drilled holes in circular pattern
>> ----
>> 1970 -- Fork crown (investment cast semi-sloping) with two holes
>> in each side
>> 1970 -- Club cutouts in all three lugs but club in lower head lug
>> is now larger
>> 1970 -- Bottom bracket shell with club cutout
>> ----
>> 1971 -- Fork tangs narrow, no cutouts
>> ----
>> 1972 -- Club/COLNAGO decal on head tube/seat tube (seat tube
>> Worlds bands) and COLNAGO on down tube
>> 1972 -- Fork crown with clubs in top and two holes in each side
>> 1972 -- Fork tangs with two holes
>> ----
>> 1973 -- Wreath seat tube decal with two Worlds bands
>> 1973 -- Fork crown with clubs on top but no holes in each side
>> 1973 -- Water bottle braze-ons on downtube
>> ----
>> 1974 -- Fork tangs with club cutouts
>> 1974 -- Club cutout in lower head lug only
>> 1974 -- Shifter braze-ons on down tube
>> ----
>> 1975 -- Vertical COLNAGO seat tube decal with diagonal worlds stripes
>> ----
>> 1976 -- Fork crown with COLNAGO added to clubs on top
>> 1976 -- Short Campagnolo dropouts
>> ----
>> 1977 -- Top tube cable guide braze-ons
>> ----
>> 1979 -- Fork crown for recessed brake bolt with shallow triangles
>> cut into back
>> 1979 -- Brake bridge for recessed brake bolt
>> ----
>> 1980 -- Short COLNAGO drop-outs and COLNAGO fork ends
>> 1980 -- Fluted seat stay caps engraved COLNAGO and straight seat
>> stays, no longer biconical
>> 1980 -- Brake bridge with cast square boss for recessed brake bolt
>> ----
>> 1981 -- Chain stay bridge is small spool shape, no longer tube
>> ----
>> 1982 -- Chain stays stamped COLNAGO on sides
>> 1982 -- Cable routing on underside of bottom bracket
>> ----
>> 1983 -- Aerodynamic fork crown
>>
>> NOTE:
>> Year dates are approximate; changes might have occurred the end of
>> one year or the beginning of the next for example. Paint schemes,
>> panels, decals and chrome varied according to how importers spec'd
>> their frames, so this all varied considerable. Dates and details
>> based on the Classic Rendezvous archives, the Wool Jersey Gallery,
>> and Colnago and Bikcology catalogs.
>>
>> ALL CORRECTIONS WELCOMED AND ENCOURAGED!
>>
>>
>> Chuck Schmidt
>> South Pasadena, CA USA
>> http://www.velo-retro.com (reprints, t-shirts & timelines)