Originally Posted by Jeffblue

i wouldn't bother even asking them. be happy that you got 18 out of the tires. what probably happened is the screw caused the leak, causing you to get the flat and drive on the tire for a bit and that caused the separation. just be happy you didn't damage your rim. at 18k i'd just go buy a whole new set of tires if i was you. check out the hankook ventus v12 evo if you're not looking to break the bank.