Castors and Wheels

4.10/3.50-4 Inner tube tire perfect fit for fits most the same type and size of 4.1/3.5-4 tire and wheels (10″ outside diameter). Replacement inner tubes fits vehicle with 4’’ rim.
2 Pack 4.10/3.50-4 heavy duty inner tube with TR87 bent valve stem maximum inflation is 30 PSI. Fit for Hand Trucks, Dollies, Lawn Mowers, Wheelbarrows, Utility Carts, Garden Wagon, Lawn Cart, Utility Cart, Flat Carts, Small Tractors, Yard Trailers, Trolley Carts, Wagons, Snow Blowers and most 410/350-4 wheel applications.
This inner tube is made of isobutylene isoprene rubber,it has very strong wear resistance and effective anti-skid, which is better in air tightness, elastic damping and aging resistance than natural rubber.We designed this inner tube to be explosion proof. When and if punctured, it immediately creates an airtight seal to prevent damage, destruction and injury to the rider.
This 4.10 3.50-4 inner tubes are 4 thickness of normal tubes on the market. The extra layers make the tires more tear-resistant, scratch-resistant and durable in use. Valves are stronger and can retain more pressure. Before installation, please check the position of the valve, and make sure you install the tube correctly with the valve opening in the frame, make certain the inner tubes are intact by inflating and submersing them in water before installing.
The scooter tire tube package Including: 2 Pieces 4.10 3.50-4 inner tire. Please check the shape and size before your purchase. If you are not satisfied or have any questions with our inner tube , please feel free to contact us, we are ready to solve all problem for you.