BOUGHT FROM BIG O TIRE, THE BIG FOOT AT DUELL GROVE MADE BY GOODYEAR, BUT DISTRUBATED BY BIG O TIRES, TIRE SIZE 31X10.5R15. REAR PASSENGER'S TREAD SEPARATED WHILE DRIVING WHICH CAUSED VEHICLE TO SPUN AROUND TWICE, AND CAUSE A CRASH. PLEASE PROVIDE FURTHER INFORMATION.*AK