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Bicycle is one important outdoor tool to
us. But we can not take the pump with us
because of its big size. When the bicycle
needs to be pumped, it becomes a great
rouble to find a pump in any possible
condition. This is an ingenious design with the consideration of bicycle
structure, which embeds the pump into the crossbeam. The
pipe rotated around the crossbeam can be taken off and
connected with the bicycle tire. The user can bounce off the
handles and push them forward and backward, so as to pump
the tire. This design makes the pump convenient for carrying
without affecting the normal useof the bicycle.