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Step 7Pull out the Tube
Usually there's a little nut on the metal valve stem. Remove the nut. Push the valve into the rim. Reach in and pull the whole innertube out.
Look and feel around inside the tire to find what caused the leak. Nails and staples are pretty common. Sometimes the head wears off from driving so it's really hard to spot from the outside.
You need to find it and pull it out or you'll get another flat right away.
Look and feel around inside the tire to find what caused the leak. Nails and staples are pretty common. Sometimes the head wears off from driving so it's really hard to spot from the outside.
You need to find it and pull it out or you'll get another flat right away.
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Sep 8, 2009. 6:21 AMNormMonkey
says:
When my bike tire gets a flat, I like to chalk-mark the tube and the tire at the valve stem before I separate them. I make a T-shaped mark with the tail of the T pointing the same way (clockwise, say) on both. Then, if I can't find what made the puncture in the tire, I can find the hole in the tube and use the mark to tell me where I should look on the tire. Once I found a small piece of safety glass hiding in the tire this way.
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