PCS 4.80/4.00-8 Inner Tubes Made of and sturdy rubber, these inner tubes are very durable and ideal compatible home, professional and commercial, industrial use. Compatible models compatible the Tire 4.80/4.00-8 reference. 15.5 Tire Diameter compatible 15.5 Pneumatic Tires/Wheels - Perfect compatible Hand Trucks, Carts, Lawn Mowers, Wheelbarrows, Generators, Utility Carts with 16 Wheels. Mounts to a 8 rim. / WHEELS: compatiblement inner tubes compatible 4.80/4.00-8 tires/wheels (15.5 outside diameter). Also measured in 4.80 4.00-8, 4.8 4.0-8, 480/400-8, 4.80-8, 4.8-4 -8, 480400-8, 4.8/4.0-8, 4.00/4.80, 4.80-4.00-8 inches Note: MAX INFLATION 30 PSI. Inflate only with a hand pump to avoid over inflation. Not designed compatible road or highway use. Universal causes of tire and inner tube failures: A single puncture or small hole is usually caused by a thorn, wire or small nail. These can be repaired. Also check the tire compatible thorns etc. then remove it. Double splits are usually the result of rim pinching. The tube was pinched between the rim and an object on the road/trail. Increase air pressure or use wider tires. Rash causing a large jagged hole. These are generally not repairable. Also check compatible damage to tires and rims. A cut or tear compatible a long time can also indicate a tire explosion. As a rule, it is not repairable. Be careful when stepping into a tire during installation. Inspect Becompatiblee Installation Inspect the outside of the tread compatible nails, pieces of glass, thorns, or other protruding objects. Visually inspect the inside of the tire casing compatible nails, glass, or debris. Wipe the inside of the case with a cloth, then carefully feel the inside with your fingers. Be careful if you use a tire iron. The tire lever is very easy to drill a hole in your inner tube. Inspect both sides of the tire compatible bead seating and compatible any sign of the tube popping out. Reinstall if necessary. How to inspect the hole on the inner tube Inspect compatible air leaks by holding the inner tube close to the sensitive skin of your lips or near your ear. Move the tube around its circumference. If these steps don't work, push the inner tube through the water and watch compatible bubbles in the hole. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.