4″ x 4″ Axle Hub 1″ to 3/4″ Step-Down for 1005 Rims 8″x7″, 18″ x 8.50-8 Go Kart
1005 – 8″ x 7″ Rim w/18 x 8.50-8 or 18″ x 9.50-8 Tires. 4″ x 4″ Lug Live Axle Hub. 1006 – 8″ x 8.5″ Rim w/21″ x 12-8 or 22″ x 11.00-8 Tires. 1004 – 8″ x 5-3/8″ Rim w/16 x 6.50-8 Tires. Lug thread: 1/2×20.