Play Video Save both time and money with reliable, bulletproof solid polyurethane tires. Flat-free tires keep your equipment rolling over the toughest conditions any jobsite can throw at you, eliminating costly and inconvenient flat tires. These flat-free tires are non-marking and have the bounce and feel of pneumatic tires without ever getting flat. Blue color helps easily identify your trouble-free, flat-free portable equipment. Load handling characteristics are similar to air-filled tires, except now troublesome flat tires are a thing of the past. This is the perfect replacement tire for hand trucks, carts, generators, compressors, pressure washers and more performs like an air tire with NO FLATS! Lightweight, solid polyurethane tire is mounted onto a 6in. steel rim, with 3in. centered hub, 3/4in. bearings and grease fitting.