MY HUSBAND WAS DRIVING AT 70MPH, AND THE DRIVER SIDE REAR TIRE TREAD CAME OFF AND WRAPPED AROUND THE REAR AXLE. WE HAD BEEN TRAVELING FOR ONLY AN HOUR AND 25 MINUTES AND THE OUTSIDE TEMPERATURE WAS 85 DERGREES. *AK (DOT NUMBER: UNKNOWN TIRESIZE: 4-P235/75R)