I think you might be surprised at how well the Zillas ride given their design. I have them on my XTR and found that they ride pretty smooth, even on pavement up to 60mph. You may want to give them a try and see what you think. That said, I agree with the others in this thread, and I will be replacing my Zillas with Bighorn OGs in the spring. The Zillas do through rocks very badly if you ride on gravel at all. Really annoying to be constantly hit with rocks. I also want a radial that excels at trail riding, so the Zillas don't fit the bill. And like another poster, I plan to wander far from the trailer and will be using my Grizzly for long distance, multi-day outings. But again, you might be surprised at how well the Zillas perform and decide to keep them.