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Users who want to have a good understanding of the working principle of the valve core can take out one and have a look to understand its basic structure. The valve core that does not need to be pulled out has another name in the bicycle industry, which is called the valve of three insurances. So how does it work?
When the user needs to inflate the bicycle tire, he only needs to connect the inflator to the valve. The inflator of the inflator has a tip-mounted device that can withstand the valve core, and the valve core can be set. If it is not connected properly, you will find that it will make a sound of gassing outward; if it is connected, you can easily fill the bicycle tire with gas without leaking.
People who use it know that the valve core that does not need to be pulled out will be easier to use than the one that can be pulled out, and its air tightness will be better, so the former is more used in the market.