In winter, when the temperature is relatively low, the synthetic rubber valve ribs will become very hard and brittle at low temperatures, its performance will be reduced, the sealing performance will be worse, and the sealing of the gas in the tire will be greatly reduced.
In order to prevent the bicycle valve core from running slowly, you can use the fabric to sew a valve nozzle Tire Patches yourself. When the temperature drops, you can put it on the valve nozzle, which can prevent the valve core and valve to a large extent. The tendons were damaged by frost. When you need to inflate the tires, you can remove the mouthpiece, then pull out the valve core, and apply a layer of glue on it, but you need to pay attention not to block the air inlet, and then you can take advantage of the glue Put on the valve ribs while still wet.
After such treatment, there will be no running gas. You can also follow this method next time you need to inflate. This method can be used all year round, but it works best in winter.