Can you ride a bike without tube?

Riding a bike without a tube is possible but not recommended due to several risks and disadvantages:

1. Flat Tire: Without an inner tube, if you encounter a puncture, the tire will immediately deflate, causing an uncontrolled loss of air and making it challenging to continue riding.

2. Rim Damage: Riding on a flat tire can damage your bike rim as the tire may fold and the rim can become bent or broken, especially when subjected to rough terrain or sudden impacts.

3. Pinch Flats: The risk of pinch flats increases without an inner tube. Pinch flats occur when the tire is squeezed between the rim and the surface, pinching and puncturing the tube.

4. Poor Ride Quality: The absence of an inner tube reduces the overall cushioning and shock absorption. As a result, the ride may feel harsher and less comfortable, especially on bumpy surfaces.

5. Less Reliable: Riding tubeless, unless done properly, can be less reliable than using inner tubes. With tubes, if you get a flat tire, you can simply replace the inner tube and continue your ride.

6. Potential Safety Issues: Riding a bike without a tube can increase the risk of accidents or injuries due to the unpredictable handling and sudden loss of air in case of a puncture.

Therefore, it is not advisable to ride a bike without a tube unless you are familiar with tubeless setup and maintenance and are prepared for the potential risks involved.