Automatic Bicycle Pump
Push the hose onto the chucks. It should be a very tight fit. If it is too tight you can soften the hose by heating it in warm water. Take your bike and go find a hummer (or some other overweight vehicle). Fold the hose in your hand so you don't waste any precious energy. Attach one end to the automobile tyre and the other to your bike. When you unfold the hose you can hear a hiss. That is the sou
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https://i.imgur.com/tsDQ9.jpg