Hi Barry,
There was a Colnago TT bike at last year's Cirque which I think fits the bill. Here's a link from Dale's excellent photo series posted on the Cirque site:
http://cyclesdeoro.com/
Regards,
Marc St. Martin Livermore, California USA
-----Original Message-----
>From: pbbikes <pbbikes@gmail.com>
>Sent: Apr 23, 2010 11:35 PM
>To: classicrendezvous@bikelist.org
>Subject: [CR] Interesting skinny colnago stems 1.7mm insertion, not 22
>
>Hey all, I have in my possession 2 3ttt colnago pantographed stems. The
>stem insertion measures 1.7mm not 22.2 or 22.0
>
>Very odd looking and I would think someone could have ground them down but
>the stems are both anodized black and the wedge is also the same extra
>narrow size.
>
>I've searched around and found nothing, however when i was in Sienna a few
>years ago . A mechanic at the Bianchi shop showed me a colnago that was his
>fathers and if my memory is correct, The tubing was insanely small.
>
>What do these stems fit?
>
>Ciao
>Barry Scott
>Mount Shasta CA USA