Like I said above.....this bead issue is a non issue. Never heard of any problems with early rims popping beads.
If you are planning to go disc.....just buy welded rims.
Riveted wheels will not fit disc brakes. You can not just grind the rivet to make them fit. The rim center part is the problem.
Also, never heard of any issues with beads popping on riveted wheels. You can run normal tires without tubes on the riveted wheels.
This has all been covered like...