goodness. either yall tear up the roads or you carry a lot more weight around than i do. ive got 10,300 miles on my storm and my factory metz is worn down a bit bit still has decent tread and no cords showing through at all. i bought a new tire but havent had it installed. looking like ill be able to get 12k miles outta the rear tire. im 220lbs and ride solo 99% of the time.