Originally Posted by
mountaindave
Another beautiful job, Steve! You and Gugie have inspired me, this summer I aim to get some brazing equipment and start experimenting. I'd love to take some old 531 frames and refurbish them into purpose-modified (is that a phrase?) 650b machines.
Are those the Compass centerpull braze on posts?
Thanks!
Yes, I used the Compass posts. There are a couple other alternatives. Fer instance,
this fellow built his own posts by combining the studs from a mafac center mount bracket with the bases from standard canti mounts. The other alternative is to befriend someone with a lathe and have them make them for you.

Considering the other options, the Compass posts seem well worth the price.
A warning to you... The metal work thing is addictive!