i find me880 to get the best miles i have 70,000 miles on my royal star and i ride pretty hard in the mt. of va. drageing stuff all the time. i was getting about 8,000 on the frount now i run a me880 rear tire on the front rever and now have 30,000 on it with still 6 m.m of tread left like i said i ride hard with no ill efects it has a little cuping but that is norm any way works as good as any in the wet i mount & bal my tires dont know if a shop will do it because of libility isu hope this help