【Parameter】Tire Size: 4.80/4.00-8"; Hub Type: Centered Hub; Hub Length: 3"; Bearing Diameter: 3/4"; Load Capacity: 300lbs; Type: Flat Free Tires(!!!Tire equipped with Grease fitting, without Air Valve!!!),【Extra Adapter Kit】4.80/4.00-8 Flat Free Tire is pre-assembled with 3" centered hub and 3/4" bearing. Comes with an additional adapter kit, 4pcs 1/2" Ball Bearing; 4pcs 1/4" Nylon spacer; 4pcs 1/2" Nylon spacer; 4pcs 0.08" Zinc Washers; 4pcs 5/8" Shims.,【Feature】】4.80/4.00-8" Flat Free solid Tires can prevent from getting punctured or deflated. Keep you away from the trouble of inflating tires frequently. 4.80 4.00-8 tire Suitable for backyard wheelbarrows, trailer dollies, riding lawn mower carts, dump carts, pressure washers, yard wagons, generators, snowblowers, etc.,【Package Include】1 Set = 2 Piece 4.80/4.00-8 Lawn Mower Tires and Wheel. (!!!The lawn mower tire assembly 4.80/4.00-8 Hub Length:3"; fit for axles of 3/4" outer diameter; so check it before make a decision!!!),【Note】Prior to purchase, please check the size of the original tire on your vehicle to ensure the size of the tire to be purchased is correct.To be specific, only if Tire Size, Hub Length, Hub Type and Bushing Diameter are all matched, can this product be compatible. Otherwise, it would be incompatible.