Hi, I am looking for parts or possibly a whole roller. I have a Predator x10, due to the buggy being very rare over here in the U.S., I am afraid to put it out on the track without any part spares. I guessing you know these buggies better than I do. So, I am asking, what parts do you think that I need the most, to even put the buggy on the track, and if you have a good roller (x10 or x11) you may want to part with? I will work out shipping with you to the U.S. Thank You for your time. Terry