Solid Tire Construction: This 4.80/4.00-8 dolly wheels is constructed from durable polyurethane foam; It eliminates the need for inflation and the inconvenience of frequent maintenance, offering robust wear resistance and protection against punctures on rough terrains; The recommended using temperature range for these tires is 50°F to 100°F; If the temperature exceeds 100°F, the usage time should not exceed two hours to ensure optimal performance High Load Capacity and Stability: Featuring a maximum load capacity of 300 pounds, this flat-free wheelbarrow tire 4.80/4.00-8 ensures stability and safety across diverse terrains and work conditions; Its sturdy polyurethane foam construction, complemented by steel rims and a non-slip surface, enhances durability and load-bearing capabilities Universal Compatibility: This wheelbarrow tire is available in 14.5 inches and 16 inches sizes to choose; The flat-free tire is designed to fit a wide range of tire sizes between 13 inches to 16 inches, ensuring compatibility with 4.80/4.00-8, 4.00-8, 4.00-6, and 3.50/2.50-8 specifications; Ideal for wheelbarrows, trailers, mower carts, dump carts, garden wagon carts, and more Included Accessories: Each 4.80/4.00-8 tire and wheel comes with a comprehensive adapter kit, including two pieces of 3/4" ball bearings, two pieces of 1-inch long nylon spacers, and four pieces of 1/2-inch long nylon spacers; These accessories facilitate easy installation and customization for various axle sizes and hub lengths, enhancing convenience TICONN Quality Commitment: TICONN stands behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us This 14.5"/16" Flat Free Wheelbarrow Tire and Wheel is a robust solution for outdoor equipment needs; Featuring a durable polyurethane foam construction that measures 14.5"/16" in diameter and 3.2"/3.75" in width; This solid tire eliminates the need for inflation and frequent maintenance, offering excellent wear resistance and protection against punctures, making it ideal for rough terrains; With a maximum load capacity of 440 pounds, this tire ensures safety across various terrains and work conditions; Its sturdy construction, combined with steel rims and a non-slip surface, enhances durability and load-bearing capabilities; Versatile and designed to fit a wide range of sizes, including 4.80/4.00-8, 4.00-8, 4.00-6, and 3.50/2.50-8 specifications, this tire is suitable for wheelbarrows, trailers, mower carts, dump carts, and garden wagon carts; Each tire comes with a comprehensive adapter kit, featuring two pieces 3/4" ball bearings, two pieces 1-inch long nylon spacers, and four pieces 1/2-inch long nylon spacers, ensuring easy installation and customization for various axle sizes and hub lengths