THE INVOLVED TIRES MAY HAVE INSUFFICIENT RUBBER TREAD AREA. TREAD SEPARATION COULD OCCUR AND RESULT IN TREAD CHUNKING AND RAPID AIR LOSS.
THE INVOLVED TIRES MAY HAVE INSUFFICIENT RUBBER GAUGE ON THE TREAD AREA. THIS CAN CAUSE TREAD SEPARATION AND UNDER CONTINUED USE CAN CAUSE TREAD CHUNKING AND AIR LOSS.