Originally Posted by
cyclingrj
Currently at 3,500 miles on a pair of gator skin ultras. Had my first flat on the back about 300 miles ago.
The back tire is squared off and getting thin, so probably in the next month or so I'm looking at a replacement.
I thought the same thing at 3,500 miles, but then decided to see just how far it would go. It's looked like that for 1,500 miles now, closing in on 5,000.