I've had an offer arise to trade my current 28 inch outlaws on my sportsman 850 for a set of 27 of bighorn 1's. My outlaws have about 400 miles on them and the bighorns have about 150 miles. I do know this for a fact as the owner of the bighorns is one of my close friends. I do a lot of field, creek, and mild trail riding, with a little snow and mud. I used to mud ride a lot and nothing but mud, but not much now. Would this be an ideal trade? And if so, what am I looking at for durability/life of these tires? Thanks