Tire Size Ratios

[Hondarider427]

I am looking at getting 18's, but i want to know what is the best tire for 18's and what size would lok nice for the front.

[NacsMXer]

I assume you're riding MX so the tire choice is pretty much up to the type of tracks you ride. That, and rider preference. For example, Turf Tamers, Holeshots, and Razr's all seem do do very well in hard-packed conditions. For loose dirt/mud or loamy tracks Kenda Klaws and Gnarly MX's seem to work pretty well from my experience. The Klaws are nice because they allow you to run the tire one way for loose dirt and another way for hardpacked. I am not saying that the tires I mentioned are ONLY good for hardpacked/loose track conditions, its just what i've seen through my personal experience and others on this site.
Up front you could go with 19 inch grooved radials or a 19/20 inch front MX tire.