THE PLIES WHICH TIE THE BEADS INTO THE TIRE MAY HAVE BEEN TOO NARROW. THIS CONDITION CAN RESULT IN A BREAK IN THE AREA OF THE TIRE NEAR THE BEAD.
THE INVOLVED TIRES MAY CONTAIN THE INCORRECT RUBBER COMPOUND IN THE TREAD BELTS. TREAD SEPARATION COULD RESULT WITH CONTINUED USE CAUSING LOSS OF AIR IN TIRE.