Whether you're looking to go hard surface racing with your quad, or just need your side-by-side to be more caring of the turf, the Kenda Speed Racer is the tire for you. Four ply construction Designed for ATV/Utility hard surface/turf applications Excellent design for ATV supermoto and dirt track racing Approved E mark for European standards Not legal for on-road use Note: Tire sizes 18x10-10 (part # 328-5655) and 25x10-12 (part # 328-5657) are 6 ply rated. Available in the following ATV/UTV tire sizes:18x9-5.8, 19x8-8, 21x1-8, 22x10-8, 20x11-9, 18x10-10, 22x10-10, and 25x10-12