We can produce all kinds Polyurethane tire wheel,Flat free wheels

All the sizes is as the below:
6"*2", 200*50, 2. 50-4. 3. 00-4, 4. 10/3. 50-4, 3. 50-5, 3. 00-8, 4. 00-6,4.00-4
4. 80/4. 00-8, 4. 00-10, 4. 00-11, 5. 00-6, 18*8. 50-8

The Pu foam tyre is a solid, but lightweight tire constructed from a proprietary formula of Micro-Cellular polyurethane. Designed for light to medium duty applications, the Pu Foam Tyres is guaranteed to be puncture free from flats and does not require any maintenance in the form of air pressure. Some of the most common applications are for Wheelbarrows, Hand Trucks, Lawn Mowers and Garden Tractors.