Leigh bi-fold closest doors

Hi,

Do you have any suggestions for a new track & pin system to work with existing Leigh bifold doors? My neighbors keep getting rid of their doors and not putting out the tracks with them!

I painted one set and had something that kinda worked, but with limited bottom supports and the disk tops aren't a good fit even after I'd drilled them a tad (bottom pic). I have 3 sets and I'd like a contractor to use them instead of buying new, but they're reluctant to indulge my anti-landfill desires. The first pictures of are the original doors in my upstairs with their original working rails.

I just saw
https://www.swisco.com/discussions/Bridgeton-HA-77-93391 and was wondering if 2 sets of that would work? (1 for each door)?

Thanks!