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muhaoschmipo
30.01.2009, 09:46
Chuck Schmidt's Colnago timeline:
1968 -- Playing card decal graphics (end of year?)
1968 -- Fork crown (sand cast) with two holes in each side
1968 -- Fork tangs wide, no cutouts
1968 -- Club cutouts in all three lugs
1968 -- Bottom bracket shell with drilled holes in circular pattern
----
1970 -- Fork crown (investment cast semi-sloping) with two holes in
each side
----
1971 -- Fork tangs narrow, no cutouts
1971 -- Club cutouts in all three lugs but club in lower head lug is
now larger
1971 -- Bottom bracket shell with club cutout
----
1972 -- Club/COLNAGO decal on head tube/seat tube (two 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 (very rarely three holes)
1972 -- Cable guide braze-ons top of bottom bracket shell
1972 -- Water bottle braze-ons on downtube
----
1973 -- Wreath seat tube decal with two seat tube Worlds bands
1973 -- Fork crown with clubs on top but no holes in each side
1973 -- Fork tangs with club cutouts
1973 -- Club cutout in lower head lug only
----
1974 -- Shifter braze-ons on down tube
----
1975 -- Vertical COLNAGO seat tube decal with diagonal worlds stripes
1975 -- Top tube cable guide braze-ons offered as option
----
1976 -- Fork crown with COLNAGO added to clubs on top
1976 -- Short Campagnolo or COLNAGO dropouts
----
1977 -- Top tube cable guide braze-ons
----
1978 -- Fork crown for recessed brake bolt with shallow triangles cut

into back
1978 -- Brake bridge for recessed brake bolt
----
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

from CR list october 2007

uglyripper
30.01.2009, 10:41
Moin,

Ja, das muß hier auch mal rein. Hier: Klick (http://www.43bikes.com/colnago-70s-details.html) steht es nochmal ausführlicher. Fakt ist allerdings, daß dies alles nur einen Anhaltspunkt geben kann, eine genaue Datierung ist wegen der zahlreichen Variationen von Colnagos aus den frühen 70ern mbMn nicht möglich.

Gruß, uglyripper