Joined: Oct 2015
Posts: 16,098
Likes: 9,461
From: PDX
Bikes: Merz x 5 + Specialized Merz Allez x 2, Strawberry/Newlands/DiNucci/Ti x3, Gordon, Fuso/Moulton x2, Bornstein, Paisley,1958-74 Paramounts x3, 3rensho, 74 Moto TC, 73-78 Raleigh Pro's x5, Marinoni x2, 1960 Cinelli SC, 1980 Bianchi SC, PX-10 X 2
[MENTION=466491]WGB[/MENTION]
While I only use China cartridge BB's as a last resort, I think the quality is ok/satisfactory at the very least, they've been making most of them for a long time.
The low cost factor in IMO could facilitate stocking up on say the 3 closet sizes so you may be likely to hit the mark.