According to The Original Campagnolo Timeline, it was introduced in 1974.
Aldo Ross Middletown, Ohio
----- Original Message -----
From: jimmy katynski
Sent: Sunday, February 12, 2006 3:01 PM
Subject: [CR]Campy nuovo gran sport rear der. date info needed
>I just scored a nos campy nuovo gran sport rear der.
> and was wondering when campy made this gear changer, i
> have never seen one?
> Jimmy Katynski
> 31543 Edgeworth Dr
> Madison Heights Mi 48071
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