All aluminum beautifully ball-burnished for sparkle and have bead biting edges and pips to prevent tire and tube slip. The split-rim design allows low cost and simple tire changing. AZ-1125 wheel has 3 bolt pattern, 1-3/8″ od. 5/8″ id. precision ball bearing. Weight 3.656 lbs. 4″ width to be used with wider tires. Use 5/8″ axles. WHEEL/BRAKE KIT INCLUDES: 2 each: AZ-1125 wheels, AZ-2270A brake assemblies, AZ-2211 drums. NO AXLES.