Marathon Industries 20990 4.10/3.50-4"-Inch Rubber Replacement Tube for Hand Truck / Utility Tires - 10.5"-inch Tire Diameter

Tube for Marathon Tires Made to Fit Your Needs! Marathon offers a variety of components to fit your needs. Choose from 3 Tube sizes. 2.80-2.50-4in 4.10-3.50-4in 4.80-4.00-8in Ships Fast! About the Manufacturer, Marathon Industries: Marathon Industries is the largest manufacturer and distributor of solid polyurethane tires for the hardware, contractor supply, and lawn & garden industries. marathon's primary product goal is to deliver a solid tire that is difficult to distinguish from an air tire with the benefit of absolutely no downtime from flats. Marathon started their business making flat free bike tires, but now their focus includes flat free solid wheelbarrow tires and flat free hand truck tires. The flat free wheelbarrow tire has quickly become a top seller!