TIRES WERE ORIGINAL EQUIPMENT ON A 1989 WINNEBAGO, LESHARO, TIRE SIZE P205/75R15 XCA, TIRES HAD 30 THOUSAND MILES ON THEM. CONSUMER HAS EXPERIENCED TREAD SEPARATION AT THE SIDEWALL DOWN TO THE TREAD ON TWO ORIGINAL EQUIPMENT TIRES. ALSO, ONE OF THE REPLACEMENT TIRES ALSO SEPARATED AT THE SIDEWALL WHEN DRIVING. INCIDENTS INVOLVED THE REAR AND THE FRONTAL TIRES. ALSO, TIRES WERE ONLY USED ON THIS MODEL MOTORHOME. *AK SLC