My riding buddy just changed the rear Commander II tire. He got 13,000 miles out of it. He could have gone a bit longer...maybe another 1000 at most. So, the claim of twice the mileage did not work, at least not for my friend. I have a couple thousand on mine. Will report mileage when ready to change.
Was at the local dealer yesterday (wife works there) and the drag specialities rep was in and carrying a commander II. We chatted a little and he told me Michillen is comming out with a tire in response to the new Metzler 888 that is claimed to average 30K miles lifespan!
I've got 10,000 on rear Commander II and it looks almost like new and I ride fairly hard! But then I am not doing burnouts either, seems pretty low milage to wear out the Commander II IMO!
I never could figure out how people get such radical differences in tire mileage.
Total weight of the bike, proper/improper inflation, riding style, road temperature and road surface abrasion (texture or material) are some of the factors that can effect tire milage.
I just had a set put on last week. First time ever replacing both front and rear at the same time. The best I ever got out of a rear was 11,500 and that was a Dunlop E III. So far this tire handles at LEAST as well as the E III so even if I only get 13K I will be happy. I do not do burnouts but do ride very aggressively, especially in the twisties.