Mine fits a 3t bar like it was made for it, which would mean 26.0mm.
David Feldman
Vancouver, WA
----- Original Message -----
From: Aldo Ross
To: classicrendezvous@bikelist.org
Sent: Friday, January 24, 2003 3:44 PM
Subject: [CR]Ambrosio stem sizes
What size clamp diameter(s) did Ambrosio use for Champion stems and bars?