Nut Size: 33 mm. Removable Hub Cap and Axle Hat. Large Holes: 1 1/4"/32 mm. Small Holes: 1 1/4"/32 mm. Steel/Aluminum Wheel Hub Piloted. Fits Most 20", 22 1/2" and 24 1/2" Wheel. Once you have completed checkout we are unable to make changes to your order.