【KEY PARAMETERS】Tire Model: 3.50-8; Tire Diameter 14.5"; Tire Width: 3.2"; Axle Bore Hole Diameter: 5/8"; Centered Hub Length: 3"; Compatible Replacement Sizes include: wheelbarrow tire 4.80 4.00-8 flat free (15-16” diameter), 3.50-8" (14.5” diameter), and 4.00-6" (13” diameter)This solid tire is not recommended for long time high static load,【UNIVERSAL FIT】These solid tires are one of the most commonly used sizes on wheelbarrows and trolleys. Please check carefully before ordering to make sure it matches your previously used tire,【PUNCTURE-PROOF & INFLATE-FREE】The solid air-less tire is made of premium PU (polyurethane) foam with no inner tube, which has the features of high strength, good wear resistance, and tear resistance. So that you do not have to worry about the problem of tires being punctured,【ONE-PIECE WELDED RIM】These wheelbarrow wheels are equipped with DOUBLE-SEALED CARBON STEEL BEARINGS to provide flexible rotation and load balancing. And high-strength ONE-PIECE WELDED RIM to make sure it does not bend or fall apart with the hub when loading large capacity,【14.5'' TIRES WITH EXTRA ADAPTER KIT】Comes with two 3/4-inch bearings and two 0.5-inch and 1.5-inch nylon spacers that can be adjusted for different wheel hub lengths and bearing holes