NR chainrings: Patent, Brev., and "<C>"
Hello fellows,
I've had it in mind to swap out the Super Record inner ring on my '70 Paramount for a proper, pre-CSPC NR.
Naturally, as the "Patent CAMPAGNOLO" lettering was revised in 1978 to "Brev. CAMPAGNOLO," I checked the spares on the fleet to see if I happened to have a spare, correct ring that would serve a better purpose on the Paramount.
While I was not successful in finding a 42t NR "Patent" ring, I did come across an oddity - a ring which I believe is 42t with the NR pattern - with no markings whatsoever, with exception to the lone Campagnolo "<C>" logo stamped on the inside edge.
I've never seen such a variant - probably because I never paid attention before - and I'm not entirely sure what year this falls under.
Advice from the wise sages of Campagnolo on this forum appreciated.
-Kurt
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