Features1Rubber Material: Made of rubber material, it has good air tightness, temperature resistance and anti aging, which greatly improves the service life.2Lengthened Valves Design: Lengthened valves eliminate the need to replace valve cores and can be reused to help tires inflate quickly.3Effectively Absorb Impact: Rubber tire inner tube can effectively absorb the impact of uneven road, ensuring driving comfort, speed and safety.4Replacement Part: Easy to install and disassemble, old and damaged tire inner tubes can be replaced in minutes, saving your time and efficiency.5Applicable Models: The inner tube has a wide range of applications and is suitable for the replacement of electric vehicles, motorcycles and tricycles.SpecificationItem Type: InnerTubeMaterial: RubberColor: BlackWeight: Approx. 279g / 9.8ozApplicable Models: Electromobile, Tricycle, Scooter1: Confirm that the specifications of the inner tube are consistent with the inner tube. Each inner tube is equipped with a valve, nut and rubbercapthat can withstand the load. When installing the inner tube into the outer tire, please carefully check whether there is sand in the inner space of the outer tire and whether the outer tire is There are cracks or other adverse factors.2: When installing the inner and outer tires on the steelrim, please check the steelrimin detail to make sure that there are no adverse factors on the steel rim. The steelrimis not deformed, bent, and free of debris. Cover withstripheads or other incisivesurfaces that can damage the inner and outer tires.3: Please use a wrench to tighten the nut carefully, do not use some incisivetools. Tighten the screws such as a screwdriver, they will damage the inner tube or the bead of the outer tire. When the tire is used for high speed driving, it is recommended to use RIMLOCK for added safety.4: When the inner and outer tires have been installed on the steelrim, please be very careful to ensure that the valve is properly locked on the steelrim, and the steelrimis exposed for inflation, and the inner tube is not sandwiched between the tire and the steelrim.5: The inner and outer tires have been installed on therim, inflate the inner tube with 10PSI, and then stop inflating, and check whether the inner and outer tires are properly locked on therim, and then you can press theairpressure recommended by the manufacturer (marked on the bead of the outer tire). top) inflating, therimline on the tire must be visible outside the steel ring.6: Do not pump too much or too little, this will cause the valve and the inner tube to fall off and cause an accident. Please check whether theairpressure is at a normal level, please check the valve to preventairleakage, and lock the valve tightly.7. It is forbidden to store the inner tube together with the flammable and chemically corrosive items such as oil, and it must be kept away from heat sources.Package List1 x Inner Tubejj