(4) 145/70-6 Go-Kart, Go-Cart or ATV Tires 145 x 70 x 6 CST Tire Tire Size: 14.5-7.00-6 PLY: 2 Tread: Compass Stud / Knobby ATV / Go Karts Versatile stud tread design for multi-purpose conditions Type: Tubeless