Just mounted 2 brand new 26" schwalbe big apples on my bike. Problem I have is these new tires are not running true. I've let the air out ,massaged the tires several times, beads are seated properly. Right now I've have them sitting at 50 psi hoping to stretch them into shape.

Anything else I might be able to try, don't want to return them... got them off flea bay...free shipping... took over a week .