"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, Tread Type Ribbed, Bore Diameter in. 3/4, Rim Included Yes, Load Capacity lbs. 350, Rim Size in. 8, Tire Size 4.80/4.00-8, Tire Type Pneumatic, Hub Width in. 6."