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