"All tires come with ball bearings and white finished wheels. Wheel is 15.5in. O.D. Tire Type Pneumatic, Bearings Included Yes, Tubeless Tire No, Rim Included Yes, Load Capacity lbs. 350, Rim Size in. 8, Tire Size 4.80/4.00-8, Tread Type Ribbed, Hub Width in. 6, Bore Diameter in. 5/8, Outside Diameter in. 15.5."