Tire & Tube Size: 11 inch 90/65-6.5
Tire Outer Diameter(without air-filled): 275mm (10.82")
Tire Inner diameter: 161mm (6.33")
Tire cross-section height:48mm(1.88")
Tire Side width: 90mm (3.5")
The maximum inflation pressure (P.S.I.): 50P.S.I (350KPa) COLD | Max. LOAD 189KG(417lbs)
❗❗Please note: 11 inch is the size of the tire after it is mounted to the hub, not the actual size of the physical object. The actual tire size will be a little smaller than 11 inches. The above data are manual measurements, and the allowable error is 0.1-0.5cm/0.03-0.19 inch.