Feature:1. Rubber Material: Made of rubber material, it has good air tightness, temperature resistance and anti aging, which greatly improves the service life.2. Effectively Reduce Impact: The rubber tire inner tube can effectively absorb the impact of uneven road, ensuring driving comfort, speed and safety.3. Lengthened Valves Design: Lengthened valves eliminate the need to replace valve cores and can be reused to help tires inflate quickly.4. Easy to Install: Old tire inner tubes can be replaced in minutes, easy to install, convenient and efficient saving your time and efficiency.5. Scope of Application: The 14x2.125 inner tube has a wide range of applications and is suitable for the replacement of electric vehicles, motorcycles and tricycles.Specification:Item Type: Electric Vehicle Inner TubeMaterial: RubberColor: As Pictures ShownWeight: Approx. 193g / 6.8ozApplicable Models: Electric Vehicles, Motorcycles, TricyclesNote:1. Confirm that the specifications of the inner tube are consistent with the inner tube. Each inner tube is equipped with a valve, nut and rubber cap that 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 factors2. When the inner and outer tires are installed on the rim, please check the rim in detail first to ensure that there are no adverse factors on the rim, no deformation, no bending, and no debris. Please use the lining belt to cover the loose and rough strip head or other sharp surfaces that will damage the inner and outer tires.3. Please use a wrench to tighten the nut carefully, do not use some incisive tools. 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 steel ring, please be very careful, and do it properly, the valve is correctly locked on the steel ring, and the steel ring is exposed for inflation, and the inner tube is not clamped between the outer tire and the steel ring. between5. The inner and outer tires have been installed on the rim, inflate the inner tube with 10PSI, then stop inflating, and check whether the inner and outer tires are properly locked on the rim, and then you can press the air pressure recommended by the manufacturer (marked on the bead of the outer tire) inflating, the rim line 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 the air pressure is at a normal level, please check the valve to prevent air leakage, and lock the valve tightly.7. It is forbidde 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 List:1 x Electric Vehicle Inner Tube