Thanks for the compliment!

I used Rustoleum gloss white thinned 15% with mineral spirits. Just as FBinNY mentioned, the old paint makes the best primer; the sanding and prep just makes sure the old paint edges at nicks & bare spots don't have a hard, well defined edge. There are about eight coats on it, with light sanding between. The last three coats were applied after no sanding, just a wipe down with mineral spirits before paint. The bike was originally black, so you may need less coats on a different base/final color combo.

The unexpected plusses were how little paint it took, and how well it takes to touch-ups after nicks, etc. from use