Hi-Run 4.10/3.50-5 butyl inner tube with TR87 bent valve stem provides superior air retention for lawn mower and wheelbarrow tires, offering a reliable solution for 4.10-5, 3.50-5, and similar small tire sizes. Made from premium butyl rubber for excellent puncture resistance and long-lasting sealing, this inner tube maintains consistent pressure during heavy garden work, hauling, or mowing on rough terrain. Ideal as a direct replacement for repairs or tubeless conversions on push mowers, wheelbarrows, and hand carts, it ensures smooth performance and reduced downtime for residential landscaping and utility tasks.