How to Measure Bike Tire Size

A key point to ponder on when choosing a goodmeasuring a vertical line. This is the tire size diameter.
replacement tire is the right size. Of course, you needStep 4: To measure the width, just put the tip of the
to pick one with the right dimensions. Otherwise, it willtape to one side of the tire and work your way to the
not be installed properly and even if it has beenother side. This will be the thickness of or the width
installed, it will not work quite as efficiently as before.and this is usually the second number in the tire size
You can actually see the measurement of your old tiredescription.
as it is usually inscribed on its sidewalls. But if not, youUsually, these details are included in the manual of the
can measure using a tape measure. Here is how youbicycle. You may need to look for the manual if you
can do it:have tucked it somewhere. If there are no manuals,
Step 1: Inflate the tire first. It is much easier to measureyou can look for any paperwork that came with the
the dimensions of the old tire if it has been inflated. Usebicycle as this has the details of the right size of bike
an air pressure gauge and inflate it to the righttires you will use.
pressure. Do not over inflate or under inflate the tire asYou can also check the size of the rim as this will
this can give you inaccurate measurements.determine that right size of tire that will go with it. If you
Step 2: Let someone hold the bike in a straight position.already have a flat tire and you cannot do the steps
If no one is around to assist you, you can prop the bikementioned earlier, you can always measure the rim.
on a wall just as long as it is in an upright position.Also, this would be better so you will not have to see
Step 3: Now you can measure using a trusty tapeto the right pressure of tire.
measure. Put the tip of the tape measure at theYour last resort is to go to an expert, to a bike store
center of the bottom part of the tire. Work the tapefor instance and have them look at your bike and
measure up to the upper part of the tire. You are nowmeasure the right size.