How To Change A Road Bike Tire Inner Tube. An inner tube inside a bike tire and not exposed to high levels of ozone or petroleum fumes or UV light can easily last 10-20 years. But to patch the inner tube you need only expose it without removing the wheel.

Use pump to inflate inner tube so it holds its shape. If valve is not pointing straight it can lead to a puncture. Installing new inner tube.
Get new inner tube make sure it is the correct size and type.
If valve is not pointing straight it can lead to a puncture. Most likely youll be able to skip this step as the tire is already flat. But to patch the inner tube you need only expose it without removing the wheel. Bike Inner Tube Size Chart And My Recommendations.
