After riding an electric bicycle for a long time, the outer tire wears out and becomes thinner, and the inner tube will be easier to pass. If the outer tire fails, replace it in time. This can reduce the number of inner tube passes. If the inner tube is used for a long time, it will also pass due to natural aging. , will also leak air, and the cost of repairing the tire is very low. It mainly charges labor service fee, which can be charged 2 yuan or 5 yuan. There is no regulation. I recommend a good way: buy a bottle of automatic tire sealing fluid at a store specializing in electric vehicle accessories. Each bottle costs 5 yuan to 7 yuan. After buying it, deflate the electric vehicle [motorcycle] tire, take out the valve core, and remove the valve core. Shake the tire sealing fluid onto the valve post and squeeze the bottle with your hand. The tire sealing fluid will enter the tire. Then install the valve core and tighten it. Turn the tire once and inflate it. The tire will be passed through. It will be repaired automatically. A bottle of automatic tire repair fluid can be added to two to three tires of the electric car. Your car will be free of the trouble of tire repair in one to two years. Automatic tire repair fluid was originally designed for car tireless tires, but it can certainly be used on motorcycles and electric vehicles. [However, it seems from the picture above that the inner tube hole is too big and cannot be repaired. Replace it with a new one, Chaoyang brand inner tube, which is a well-known Chinese trademark. It has a longer service life. If you add automatic tire repair fluid, there will be no inner tube leakage within two years. Phenomenon. ]