Re: [CR]Now SR date marks: was NR and SR Cranksets

(Example: Framebuilders:Richard Moon)

From: <hersefan@comcast.net>
To: "Eric Elman" <tr4play@cox.net>, "Don Wilson" <dcwilson3@yahoo.com>, "Classic Rendezvous" <classicrendezvous@bikelist.org>
Subject: Re: [CR]Now SR date marks: was NR and SR Cranksets
Date: Sun, 23 Jul 2006 02:58:48 +0000


I believe that 1973 was the first year of arm marking <3>. I think someone posted recently about the numbers in the square. There were 11's in a square and 22's in a square and I think someones post indicated 33's in a square.

Note that the latest arms may be from a time after the typically accepted termination dates for Nuovo and Super Record. Campy was rumored to have kept small piles of stuff around in reserve for warranty supply I believe. On occasion they would release stuff to the US wholesalers. In around 1992 when I owned Bicycle Classics I purchased a pile of bagged Cobalto calipers that came to a US wholesaler in bulk from such a Campagnolo release. At least that was the "theory" at the time. Unfortunatly all those goodies are long long gone.

Mike Kone in Boulder CO


-------------- Original message --------------
From: Eric Elman

> NR and SR cranksets used the same crank arms and therefore had the same date
> markings. A diamond meant 1970's and the digit inside would be the year
> (i.e. a diamond with a 3 inside would be 1973) and a circle meant 1980's
> (i.e. a circle with a 3 inside would be 1983). Unmarked crank arms were
> made prior to about 1971 - I may be off by a year on this - anyone?
>
> There were also square markings but I am unsure of what they represented.
>
> Eric Elman
> Somers, CT USA
>
>
> ----- Original Message -----
> From: "Don Wilson"
> To: "Classic Rendezvous"
> Sent: Saturday, July 22, 2006 4:40 PM
> Subject: [CR]Now SR date marks: was NR and SR Cranksets
>
>
> > John and/or Mike,
> >
> > Would there be different markings on NR and SR crank
> > sets that would indicate age. I recall NR cranks had
> > certain markings that indicated approximate age. Do SR
> > cranks also have such markings. Or did they abandon
> > such markings with SR cranks?
> >
> > --- John Thompson wrote:
> >
> >> bignaut@pacbell.net wrote:
> >>
> >> > Perhaps the answer is obvious but what are the
> >> main differences between
> >> > the NR and SR cranksets, apart from the
> >> chainrings? Do they use the same
> >> > 144 bolt circle?
> >>
> >> The chainrings are the only difference between the
> >> two cranksets. They
> >> both use the same 144mm BCD, but the Super Record
> >> rings don't have the
> >> inner web.
> >>
> >> The official, not-often-used and poorly-received
> >> Super Record bottom
> >> bracket used a titanium spindle (two different
> >> designs, depending on
> >> when they were made), though.
> >>
> >> --
> >> John (john@os2.dhs.org)
> >> Appleton WI USA
> >> _______________________________________________
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> >>
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> >>
> >
> >
> > D.C. Wilson dcwilson3@yahoo.com
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