I had read and talked to people who ran trials tires while trail riding, or riding enduro's and hare scrambles. So I decided to try one, a Dunlop. First time out I was impressed. I entered a hare scramble in Kansas, which the terrain was rocky, and wet, and muddy. This tire along with my Rekluse automatic clutch on my CRF250X, gave me the ability to conquer all obstacles. Just ease the power on going up the slick rocky hills, no problem !!! I run 10-11 psi in the tire with a heavy duty tube. The pliable sidewall makes traction great. They say these tires will far exceed outlasting a traditional knobby. We will see. Although I have heard the trials tire is not the best, if you are the type of rider who slides into corners frequently. But for me and my style of riding, hare scrambles, and enduros, it is for me. 5 stars.