[CR] Simplex Front Derailleur Specifications:

(Example: Production Builders:Cinelli)

From: "Bob Hanson" <theonetrueBob@webtv.net>
Date: Tue, 10 Oct 2006 15:18:39 -0600
To: classicrendezvous@bikelist.org
Subject: [CR] Simplex Front Derailleur Specifications:


Just to complete the recent thread begun with regard to band-on Campy front derailleurs for Triple chainsets...

In answer to a completely un-related inquiry, I only yesterday had found the following info in an early 1970s Simplex catalog :

1.) Prestige and Maxi-Prestige (push-rod style) derailleurs: The distance limiting screw (located just above the cage) could be easily changed out for one of different length. This would change the AV-223 & AV-226 (double) into a AV-323 & AV-327 (triple) front derailleurs.

2.) The AV--3-SC "Super Competition" [their early modern-style front derailleur] and the AV-326 which was the more famous "Super LJ" front derailleurs, could both be used as purchased for either double or triple chainrings.

And, ALL of the above derailleurs were capable of handling a Maximum Capacity of:

cog 14 x 34 with chainwheel 40 x 52 cog 14 x 28 with chainwheel 32 x 52

... but I'm sure there was really a bit more stretch beyond these "stated" capacities.

Bob Hanson, Albuquerque, New Mexico, USA