Step 4: Inserting the Valve

Picture of Inserting the Valve
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In this step, take a popped bike tube and cut out the valve. The type of valve is not particularly important because they are all designed to hold large amounts of pressure; Just make sure you have the right pump. Next, drill a hole big enough for the valve in the top of the 1" cap. If the valve fits in the hole, you're good to go.