Pirelli Scorpion MX32 Mid Soft Motocross Dirt Bike Rear Tire 120 90 19 66M NHS Bias Tube Type Professional Off Road Racing Rubber for Soft to Intermediate Terrain Includes Pirelli Keychain Rail The Full Bore M1 120 70ZR17 Nelson Rigg The Full Bore M1 120 70ZR17 and 200 50ZR17 (120 70 17 & 200 50 17) Front and Rear Motorcycle Tires is built for riders who demand performance you can expect to purchase and use 15 20 abrasive discs to be able to cut the exact same amount of material the MX32 delivers the aggressive bite and predictable handling needed to stay ahead of the pack this high performance motocross tire is optimized for soft to intermediate surfaces like mud