To replace a bicycle tube, follow these steps:
- Remove the wheel from the bike.
- Deflate the tire completely and remove the tire from the rim.
- Remove the old tube from inside the tire.
- Check the tire for any sharp objects that may have caused the puncture.
- Insert the new tube into the tire, making sure it is properly aligned.
- Inflate the tube slightly to give it shape.
- Place the tire back onto the rim and inflate the tube to the recommended pressure.
- Check for any leaks by submerging the inflated tube in water.
- Reattach the wheel to the bike and ensure it is securely in place.
Remember to always carry a spare tube and necessary tools when riding a bike.