Street King Redwall Balloon Cruiser Tire 26 x 2.125 57 x 559 cool custom redwall tire for the ultimate look! width of inflated tire: 55 mm (~2,16 inches) on 30 mm (~1,18 inches) Rim 63 mm (~2,48 inches) on 56 mm (~2,20 inches) rim This tire fits on all 26″ Classic Cycle rims up to 75 mm (~2,95) 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