ORIGINAL EQUIPMENT ON FORD F150, 1997 WITH 20,000 MILES. DRIVING AT APPROXIMATELY 25 MPH IN WET WEATHER WHEN RIGHT REAR TIRE RUBBER TREAD CAME OFF, CAUSING VEHICLE TO LOSE CONTROL AND RUN INTO DITCH. THERE WAS SOME BODY DAMAGE. TIRE IS STILL INFLATED . TIRE SIZE P23570R16, DOT W2081PT126.*AK