My JB Greens have all (4 tires) worn to failure shortly after 3000
miles. For the two rear tires I did not notice they were getting worn
because of the fenders. I got my first flat with each when the rubber
had worn down to the casing and daylight could be seen through the
tire in many places aro
I know with my JB blues the sidewalls gave out before the tread. My
greens have held up surprisingly well. I've tried to save them for
events and riding on smooth roads. I replaced one after it just became
really cut up and flatting frequently. I've been really fond of
Schwalbes lately but have to