Wheel for Cart 3.50 - 4 Solid PU Solid polyurethane wheel for cart with a maximum load capacity of up to 80 kg. Polyurethane is significantly more durable than rubber and provides a comfortable, smooth ride. The durable powder-coated metal rim ensures increased stability. Made from high-quality materials. Product Features: Maximum Load: 80 kg Outer Tire Diameter: 260 mm Tire Width: 81 mm Inner Tire Diameter: 125 mm Axle Hole Diameter: 16 mm Bearings: Ball Bearings Material: Polyurethane, Steel Rim