Wheel for Trolley 4.00 - 6 Solid PU Made from high-quality polyurethane material. The durable powder-coated metal rim ensures increased stability. Constructed from high-quality materials. Technical Specifications: Maximum Load: 80 kg Outer Wheel Diameter: 320 mm Tire Width: 90 mm Inner Wheel Diameter: 170 mm Axle Hole Diameter: 12 mm Hub Width: 97 mm Bearings: Double Ball Bearings Material: Polyurethane, Steel Rim Includes axle for the wheel