"All tires come with ball bearings and white finished wheels. Tire is 15.5in. O.D. Bearings Included Yes, Outside Diameter in. 15.5, Tubeless Tire Yes, Rim Included Yes, Tread Type Ribbed, Bore Diameter in. 3/4, Load Capacity lbs. 350, Rim Size in. 8, Tire Size 4.80/4.00-8, Tire Type Pneumatic, Hub Width in. 6."