4 x 4 Aluminum Hub Rear Hub 4″ Bolt Circle Golf Kart Go Kart Drift Trike Trailer
Hub Style: Rear Drive Wheel Hub. Bolt Pattern: (4) 1/2-20 Bolts on a 4″ Bolt Circle. Material: Billet Aluminum. Shoulder OD: 2.5″. Shoulder Depth.25″. Keyway (3/4″ Bore): 3/16″. Axle Size / Bore Options: 3/4″, 1″, or 1-1/4″.