Fwd: [CR]Handlebar (and other) date codes?

(Example: Events:Cirque du Cyclisme:2004)

Date: Sun, 27 Aug 2006 10:46:28 -0400
To: classicrendezvous@bikelist.org
From: "Larry Osborn" <losborn2@wvu.edu>
Subject: Fwd: [CR]Handlebar (and other) date codes?


Bob

Component date codes for several manufacturers can be found at http://www.vintage-trek.com/component_dates.htm

Larry "code breaker" Osborn Morgantown WV


>Good evening folks,
>
>I just picked up another "SR" (Sakae-Ringyo) Randonneur handlebar.
>Stamped on the bar is "C-76". I believe another one I have is marked
>"A-79" (sorry, not going to un-tape that one to verify). Would I be
>correct to assume that these would indicate March,1976 and January,1979
>dates of manufacture?
>
>Another similar puzzle is what I've been told are date code markings on
>Shimano 5-spd freewheels (probably from late 1970s to early 80s. These
>are not so obvious; they're marked with a 2 letter code such as "CF"
>or "DC". Anyone know how to decipher Shimano's old freewheel date
>marks?
>
>In any of the above examples it's not a big deal; I'm not concerned
>with dead-on correctness for a pure accurate bike restoration with those
>components. But, I really do like to know exactly what I have mounted
>on any bike, whenever possible. So, appreciate any info.
>
> >Thanks!
>
>Bob Hanson, Albuquerque, New Mexico, USA