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