About this item 50-4 tires flat free and wheel are crafted from solid polyurethane and alloy steel, offering superior durability and strength. With high quality craftsmanship, our 9x3.50-4 tires and wheel delivers reliable, extended cutting performance for a safer, more dependable experience 50-4 lawn mower tires uses higher-grade bearings, grease, tread materials, tested for load capacity, durability, traction, rolling resistance and puncture resistance. Our 9x3. Engineered for quick installation, our 9x3.50-4 tires offer performance on par with original factory parts, ensuring a smoother and more efficient assembly experience 50-4 lawn mower tires flat free ensure excellent grip, even in wet or muddy conditions. Our 9x3.50-4 tires Explosion-proof design providing long-lasting stability and precise control for a safer and more efficient lawn mowing experience 50-4 flat free tire and wheel! Tire diameter 9", tire width 3.5", rim diameter 4", bushing sizes 3/4" and 5/8", hub center length 3.25", tread type: smooth. Please check existing 9x3.50-4 tires flat free for zero turn lawn mower specifications to ensure correct replacement 50-4 an ideal choice for a wide ran