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A bicycle pump is one of the most useful tools you can have for a bicycle because you never know when the tire might go flat. But even the smallest portable pumps are at least 20 cm long and it is really inconvenient to carry such a "metal pipe" with you all the time. So we decided to make the bicycle frame itself an “always with you” bicycle pump by simply adding a connecting bar and a piston inside. The inflator frame transforms the frame itself into a pump and inflates the tire when the bicycle seat is moved up and down. The pipe and the air nozzle can be fixed on the bicycle frame and it can inflate both the back and the front tire.