OUCH.
Defect perhaps? Contact Schwalbe - explain the situation. No tire should self-destruct at 500 miles, *especially* if it's just sitting. Maybe over a pothole or curb. Is it particularly hot in your house?
Might try a Marathon Slick instead. I have the standard Marathons but folks here have suggested the slicks fall somewhere between the standard Marathon and the Stelvios for durability.
Last edited by af895; 08-17-05 at 07:24 AM.