2 Tubular Tires 4.10/3.50-4 Inch for Hand Truck, Cart, Handcart, Lawn Mower and Garden Equipment

General Description This tube is made of isobutylene isoprene rubber, offering excellent airtightness, elastic cushioning, and increased resistance to aging compared to natural rubber. It is designed for use with various equipment such as hand trucks, carts, lawnmowers, and other applications requiring 4-inch wheels. Technical Specifications Dimensions: 4.10/3.50-4 inches Material: Isobutylene isoprene rubber Maximum Inflation Pressure: 30 PSI Valve Type: TR87 Curved Valve Stem Compatibility and Accessories Compatible with hand trucks, carts, lawnmowers, small tractors, garden trailers, snow blowers, and other 4-inch wheel applications. Installation Before installation, immerse the tube in water to check for leaks. If bubbles appear, the tube is damaged.