In a message dated 4/25/06 12:52:30 PM, classicrendezvous-request@bikelist.org writes:
>
> Angles: 72 parallel for the classic 60s PX-10 I believe so nothing unusual
>
> in that for the era.
>
Not sure when the change occurred, but my 1972 had 73 degree angles, as did the one reviewed in Bicycling a year or two previous.
Bob Hovey
Columbus, GA