i always used to run bfg's. then i watched a buddy of mine get twice the mileage out of a set of delta m/s. i had to change my bfg's at about 22k, my buddy had over 40k on the delta's when he passed away. i have since switched to deltas. they do excellent in rain, snow and mud and are quieter on the road. so far i'm at 30k on them and they still have over half tread left. best part is the delta's are way cheaper!