TL*THE CONTACT OWNS A 2007 FLEETWOOD GEARBOX. WHILE DRIVING 60 MPH, THE DRIVER SIDE REAR TIRE BLEW OUT. THE CONTACT REPLACED IT, BUT IN THE COURSE OF A WEEK, ALL SEVEN TIRES FAILED. THE CAUSE OF FAILURE WAS DUE TO TREAD SEPARATION. THE TIRES WERE GREENBALL FREEWAY, SIZE 75016. NO OTHER VEHICLE INFORMATION IS AVAILABLE.