8 Inch (19 x 7.00 – 8) Tire and 18×9.50-8 for 125cc 150cc 250cc ATV quad buggy bikes go kart. I operating pressure (165Kpa) 24 P. I Max to seat beads. Max Load 176 LBS (80 Kg) Tread 4 Nylon Side Wall 2 Nylon Kim 5.0 AT. Nylon tubeless splay pattern not for highway service. Package Contain 4x tires.