From what's I've read here, for hard track use, 3 to 10K miles seems about right. Normal use may be around 10,000. I'm hoping with a slightly higher pressure, I may be able to get 15,000, since I mostly do freeway driving.perryeyges said:I would guess that the A048's are good for 5-10,000 miles depending on how agressively you drive and road temperature.