Description
General description Inner tube is made of isobutylene isoprene rubber, which offers superior air tightness, elastic damping, and aging resistance compared to natural rubber. This heavy-duty inner tube features a TR87 bent valve stem and has a maximum inflation pressure of 30 PSI. It is designed for various applications including hand trucks, dollies, garden carts, lawn mowers, and more. Technical specifications Material: Isobutylene isoprene rubber Maximum inflation: 30 PSI Compatible tire sizes: 4.10/3.50-4 inches (outer diameter 10 inches) Compatibility and accessories Works with hand trucks, dollies, garden carts, yard wagons, lawn carts, utility carts, flatbed trucks, lawn mowers, small tractors, wheelbarrows, garden trailers, dolly carts, wagons, generators, and snow blowers Installation Check if the inner tubes are completely sealed by dipping them into water; if bubbles appear, the tubes are damaged.