Extensive Compatibility: 4.00-6 wheelbarrow tires with 1.75" centered hub and 5/8"axle bore hole have wide wheel replacement applications, such as wheelbarrow, hand truck, boat dolly, garden utility wagon, garden scooter, hose reel cart, gorilla cart,Longer Service Life: The inner and outer tubes of these wheelbarrow tires are thickened and made of highly elastic wear-resistant rubber, so they are not only provide better airtightness, but also have a higher resistance to wear and shock absorption,High Load-bearing: Premium steel wheel hub; double-sided welding technology. The wheel provides a weight capacity of up to 300 lbs. Premium carburized bearings allow this tire to move smoothly and save your muscle,Convenient to Use: Straight tread design provides better traction, drainage and slip-resistant. Good traction in all terrain conditions. Provides superior maneuverability for your cart,Package Included: One 4.00-6 wheelbarrow tire; two 3/4 inch bearings; two 0.5 inch and 1.5 inch nylon spacers; to customize and optimize wheel fitting