Originally Posted by
Bikeracer123
I have had a pair of Michelin Pro 4 service course for about 3,000 miles now, and the top of the rear tire is flat. Is it possible they are already worn?
I've never gotten 3K miles out of a rear tire. Normally, I ride them until the rear is work, and put on a new one. After that I normally replace both when the rear is worn again.
Anyway, yes, likely that the tires are worn.