: Re: [Classicrendezvous] History of Brake Calipers
> the fact a particular PX-10 in 1972 came with Racers wouldn't rule out that the
> Competitions might have been on the market that early.
When I bought my PX-10 frame in 1970-71, I had it built up with all the latest components. I had "Competitions" installed as they were the top of the line. Don't hold me to the date, because it was a while ago and my memory has suffered varoius "assaults" since then.