You seem to have a very good grasp on what could possibly go wrong with the
eBay wheels which, as you said, are the "budget price" wheels. If you know how
to stress relief and equalize tensions you may be able to get them reliably
true.
The Zac 19 rims are based on the Rigida Sphinx extrusion.
Do you have a silver, 32-spoke, 130-spaced 650b rear wheel sitting around
forlorn? If so, I'd
like to buy it or at least take a look (in person or in pictures) for my
new-to-me Rambouillet. If not, I have a dilemma I'm sure you-all can help
me with:
1. Invest in a proper rear wheel, built by Ri