Pirelli Scorpion MX eXTra X tires are the optimal choice for professional training and amateur to semi-pro racers who ride all types of terrain and demand performance lap after lap, especially under "race simulation" conditions. Providing traction on a wide range of conditions, from hard to medium-soft terrain, these motocross tires feature high durability and consistent performance. The Scorpion MX eXTra X is the best tire for any rider looking for a more durable, all-around tire._x000D_ _x000D_ _x000D_ Provides grip and traction on a wide range of conditions from hard to medium-soft terrain_x000D_ Multi-ply carcass offers high resistance to punctures and maximum flexibility for increased absorption of forces during jumps or obstacles_x000D_ Built with a high module carcass construction that provides maximum bump absorption and feel_x000D_ High tread surface area and unique carbon black structure of compound give balance between stiffness, reliability and lasting performance_x000D_ Rear tire features a knob layout designed for maximum traction on all terrain applications_x000D_ Reinforced bridged knobs on the rear tire increase lateral bite and stability_x000D_ Training performance in all terrain conditions with uniform knob wear and resistance to deformation while damping, thus an extended durability_x000D_ Perfect application for training with an optimal compromise between performance and durability_x000D_ Optimal choice for professional training and amateur to semi-pro racers who ride all types of terrain_x000D_ This dirt bike tire is tube-type_x000D_ These dirt bike tires are M rated for speeds up to 81 mph_x000D_ Not rated for street/highway use_x000D_ _x000D_ _x000D_ Note: Wheel sold separately._x000D_ Available in the following motorcycle tire sizes: 100/100-18, 110/100-18, 120/100-18, 100/90-19, 110/90-19, and 120/90-19