The Marathon Polyurethane tire gives you performance similar to pneumatic tires without the flats. Commonly used on wheelbarrows. Not sure what size wheelbarrow tire you need? This Universal Fit tire is for you! Includes adapter kit of additional bearings and spacers to fit tire onto various types of wheelbarrows and carts. Assembled with a 3" Centered Hub with Bearings to fit either 3/4" or 5/8" Shafts.*Please verify your current wheel assembly's measurements in order to make sure this will fit your application.*Features 1 tire made of solid, micro-cellular polyurethane mounted on a steel wheel Tire Size: 4.80/4.00-8 No flats and never need to maintain 3" Centered Hub with Bearings to fit 3/4" or 5/8" Shafts. includes (4) 1/2" Spacers, (2) 1" Spacers Has the performance of pneumatic tires   Manufacturer Part Number: 00265 Tire Size: 4.80/4.00-8 Mtd. Diameter (Inches): 14.500 Mtd. Width (Inches): 3.200 Rim Diameter (Inches): 8 Max Load (lbs): 300 Wheel Shaft Size: 3/4" shaft Wheel Hub Size: 3" centered hub Tire Weight (lbs): 7.9000 Quantity: 1 ⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.1 tire made of solid, micro-cellular polyurethane mounted on a steel wheelTire Size: 4.80/4.00-8No flats and never need to maintain3" Centered Hub with Bearings to fit 3/4" or 5/8" Shafts. includes (4) 1/2" Spacers, (2) 1" SpacersHas the performance of pneumatic tires