A large metal basket or frame on wheels, used for transporting heavy or large items, such as supermarket purchases or luggage at an airport or railway station. Available in Single/Double ball bearing/with brakes All Sizes and Load Capacity. Types of Trolley Wheels: Polypropylene (PP) Trolley Wheels Polyurethane (PU) Trolley Wheels Nylon Hi-Temp Hard Rubber Trolley Wheels Pneumatic Trolley Wheels Thermoplastic Rubber Trolley Wheels