Wheel hubs for Agricultural carts and Recreation Vehicles use, material is cast iron HT250 Wheel hubs for agricultural carts and recreation vehicles use, it's a main auto parts for the wheels, it's made of cast iron,we can also make it by ductile iron, all the hubs with the bearings,some with grease fittings, some with bolts, and some with black paintings. Wheel Hubs for AG&RV