Special HP (High-modulus polyester) carcass for consistent performance under the toughest competition conditions Excellent traction and self-cleaning properties enable top speeds right from the start of the race Pure-bred competition tires, designed for muddy and sandy conditions Maximum resistance to heat and dynamic stresses in race conditions Effective in all conditions of use: competition, training or just for fun For super-soft terrain. NHS (Not for highway service).. TIRE MXS 80/100-12