"Fixed hub/two-piece wheel with tube. Complete pneumatic assembly with ball bearings. 2-piece rim with 3/4in. bore. For speeds up to 20 mph. For use on mini-bikes, go-karts, lawn equipment and hand trucks. Outside Diameter in. 12.5, Holes 1, Tire Size 12.5 x 410/350 x 6, Load Capacity lbs. 285 at 24 PSI, Bore Diameter in. 3/4, Bearings Included Yes, Tubeless Tire No, Tread Type Knobby, Rim Size in. 6, Hub Width in. 2 1/2, Rim Included Yes, Tire Type Pneumatic. 12.5in. outer diameter 4in.W tire 3.25in.W rim Bent valve tire"