Have had these tires for many of years. They are excellent if you have a 400CC or less quad. I have friends that are on their 10th trip to the dunes on these and are still looking great. If you got a banshee, 450, or raptor, I wouldn't get these, but for lower powered machines they are great. I am faster with these than a set of more aggressive paddles. Installed on a LTZ400.
I was going to Silver Lake Sand dunes for the weekend and was going to tackle the dunes with my 87' Honda 250X: I knew I would be under powered compaired to the other quads but wanted a little advantage: With these tires and the lite weight of my quad, tackled all the hills with ease. I might not have been the fastest but gained a little respect with an old school 87' climbing the big hills: