check your air pressure often, 38 ft. 41 rear. normal riding you should get at least 12 to 15,000 from stock tires, after that it's a split between Dunlop E3's or Bridgestones 709/704. these should give you between 15 & 20,000 miles, once again depending on your riding style, 1 up or 2 up, and air pressure. Tires are like oil, you will find many different answers,