as far as how they perform? i can tell you they are the most unbelievable tire i have ever ridden. Hands down the best mud tire you will ever have, **** if i had a swamp buggy/tractor i would put these tires on that! I was following the exact same bike last weekend except for the tires(it has 27" bi/tri claws) and everytime it got stuck in the funk i just motored up and pushed it out, then just lazily motored my way right trough where it was stuck. and i mean i didnt even have to put forth an effort. like i was driving with one hand on the steering and one hand on my beer just feathering the throttle...all day i did this. It is a truly amazing tire. Now i will say if you plan on traveling at speeds greater than lets say 20 mph good luck, especially on trails or sugar sand, the tires like to walk all over the place(and no i wasnt just drunk!!) keeping it on the trail up at speed sometimes became a chore.