I think Todd Teachout posed a viable theory in his 4/26 post related to Ray's Herse:
http://search.bikelist.org/
Regards.
Marc St. Martin Livermore, CA USA
-----Original Message-----
>From: michael haddad <haddawad399@hotmail.com>
>Sent: Apr 27, 2010 9:14 PM
>To: classicrendezvous@bikelist.org
>Subject: [CR] Why do older frames have only one set of bottle bosses?
>
>
>I find that on-topic frames (like my 1984 Cinelli, 1983 Pinarello & 1978 Masi) tend to have bottle cage bosses only on the down tube. I know that 2 bottles were needed for most road races (even in the 80's), so why only one set?
>
>The only thing I can think of is that the braze-ons might weaken the seat tube, but then why have them on the down tube?
>
>I have been curious about this and would be interested in hearing a definitive answer or some good theories.
>
>Regards to all,
>
>Michael Haddad
>
>Brooklyn, NY, USA