[CR]Cinelli Bottom Bracket "Vents" ??

(Example: Racing:Jean Robic)

Date: Thu, 2 Aug 2007 12:32:36 -0700 (PDT)
From: Donald Gillies <gillies@cs.ubc.ca>
To: classicrendezvous@bikelist.org
Subject: [CR]Cinelli Bottom Bracket "Vents" ??

Why do Cinelli bottom brackets have the apparent "vent" or "duct" shape on the bottom ?? I would think that this shape probably makes the bottom bracket very heavy. I have never understood the reason why it has this shape, thanx.

http://ebay.com/<blah>

- Don Gillies
San Diego, CA, USA