Tire Street Hog 20 x 3.0 white wall 75-406 semi slick big and strong tire for up to 40 PSI pressure inflated about 75 mm (~2,95 inches) wide This tire fits on all 20″ Classic Cycle rims up to 100 mm (~3,94 inches) width! But please check frame/fork for clearance! If you assemble the tire on wide rims not to put more pressure than 30 PSI. It could blast.