mendr.techGuides
General Repairs

How to Replace a Bike Inner Tube

Quick Answer

Remove the wheel, take out the old tube, check the tyre for debris, and install the new tube.

How to troubleshoot How to Replace a Bike Inner Tube

A punctured inner tube can be replaced quickly. This guide covers removing the old tube and installing a new one.

Step-by-Step Fix

  1. Remove the wheel from the bike.
  2. Deflate the tyre and remove it from the rim.
  3. Pull out the old inner tube.
  4. Check the tyre for debris or sharp objects.
  5. Insert the new tube, inflate it slightly, and fit the tyre back on the rim.
  6. Inflate to the correct pressure and reinstall the wheel.

Common Error Codes

CodeMeaningResolution
New tube puncturesDebris in tyreCheck the tyre thoroughly before installing the new tube.
Tube is pinchedTube trapped under tyre beadInflate the tube slightly before fitting the tyre.

Frequently Asked Questions

Should I carry a spare tube?

Yes, always carry a spare tube when riding.

What size tube do I need?

Match the tube size to your tyre size, for example 700x25c.