# How Do You Measure Bike Wheels

### If you are working with an empty rim it is easiest to measure the diameter but if you have a built up wheel the hub will get in the way of the tape measure making it difficult to get an accurate measurement.

How do you measure bike wheels. The wheel size for a mountain bike or any other type of bike is a combined total of the rim diameter and the thickness of the tire itself. What size do kids bikes come in. Record the tire diameter as this also represents the bike frame size. Most bikes whether road or mountain are now measured in metric units but you may find some manufacturers that still size mountain bikes in inches.

Wheel size is a very important metric if you are a child because you need to be able to stand over your bike if you want to ride it and wheels that are too big won t let you do that. Some brands such as moots even mix the two. For a built up wheel it is easier to measure the rim s circumference. Has a very important role.

What you will see in these charts is that adult bikes are generally measured by their bicycle frame size. 1 with your child standing with his back against the wall align the book vertically on the wall between your child s legs up to the crotch area. If it s too low you won t have enough power in your feet. Sometimes you might even need to know the circumference of a bicycle wheel which is also a simple determination that can be achieved in multiple ways.

Kids bikes come in these different wheel sizes. 12 inch 14 inch 16 inch 18 inch 20 inch 24 inch and now even 26 inch. Many mountain bikes have a 26 inch wheel again meaning the rim plus tire but you can determine for sure using one of two methods. The kids bike sizing guide below will give you an overview of the various kids bike sizes and show you how to choose the best size bike for your child.

In mountain bike racing i have experienced that when the saddle falls one inch down from normal i lose about 25 50 of my force i better stop and let the group go then fix it and lose 15 seconds but i do catch the group and can even get the next group ahead. Although measuring a bicycle wheel including determining the size of both the tire and the rim can be accomplished by either of two methods both are simple to complete. 622 is the equivalent of a 26 wheel size so you ll be looking at a slicker 26 tyre to replace the smart sams with the weight of the bike you will just need to make sure you don t go for anything too narrow or you will affect the comfort of the bike and possibly be at risk of damaging the rims. Measure the diameter of the existing tire as illustrated above d or look on the tire for the size it looks like this.

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