Spare Parts SPW10 4″ PU Wheel PU Wheel 4-inch Durable4-inch PU wheel with dimensions 99x32mm, designed for smooth and durable rolling. $1.00 Request a Quote System Overview The SPW10 is a 4-inch PU wheel designed for durability and smooth rolling. It features dimensions of 99x32mm, making it suitable for various applications where reliable performance and long-lasting use are required. Specifications Part Number: SPW10 Diameter: 4 inches (99 mm) Width: 32 mm Material: PU (Polyurethane)