How To Measure Wheel Size On A Bike

These different wheel and frame sizes help companies design bicycles that will fit kids of all ages and heights.

How to measure wheel size on a bike. Next multiple the radius by 2 to get the diameter. If you find the tire size the first dimension is the tire diameter the second dimension is the tire thickness. The most common sizes are. I m primarily doing trail riding with a mountain bike and i m curious if the larger diameter wheels would require less force to go over slightly bumpy.

Standard bike tire sizes place the diameter first and the width second. Measure the distance or circumstance around the outer part of the bicycle wheel to calibrate odometer or speedometer of a bicycle gps and computer. In some site it suggested frame size of 18 5 47 cm size. 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.

Record the tire diameter as this also represents the bike frame size. Measure on the ground the length between the first dot and the second dot and this should give you the circumference of your bike s tire. 12 inch 16 inch 20 inch and 24 inch. Measuring width is just as easy.

To measure a bicycle wheel start by standing the bike upright by leaning it against a wall or using the kickstand. Measuring the bike tire size is hard as it initially seemed. If you follow the above steps you can now accurately measure your bike tire size whenever the need arises. To measure your bike s frame size take a measuring tape and place the tape in the center bolt of your bike s cranks.

Now all that s left to do is to combine the measurements. Measure the diameter of the existing tire as illustrated above d or look on the tire for the size it looks like this. If it is just the frame this will be the center point in the bottom bracket shell. Hi i am beginner planning to buy cycle 5 7 ft height 32 leg size which wheel base would suit me 26 or 27 5 though planning for mountain bike most my trails will be on mud and rough roads and bumpy ride.

Bike frame sizes are measured in the same way for all styles of bicycle. The wheel size is based on the diameter of the tire see below and as each tire size gets larger so does the size of the bicycle frame. Take your tape measure and place it on flat surface across the tire s tread going from one side to the other side. As we will learn more later.

Being that i m on the cusp of tire size charts leaving bike frame size aside at the moment can you enlighten me with the difference between 26 and 29 wheels besides the obvious. Then use a tape measure to measure the distance from the ground underneath the tire to the center of the wheel to get the radius.