When riding a bicycle outside, if the tire is leaking and we can't find a place to pump it up, we will all feel very depressed. We can't ride a bicycle with an air pump. Recently, a manual inflator tube that can be said to be the lightest and most labor-saving in the world has been launched. It includes a soft yellow rubber hose, a French valve and an inflator piston device. It is only the size of a sausage when stored. Since the air pump uses a high-pressure air valve, the air pumping efficiency is still very high. Just pump it a few dozen times and the tire will immediately become plump and strong. With its compact size, it can be strapped to any corner of the frame, making it ideal for long-distance bicycle tours and cyclists.
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