How To Measure What Size Bike You Have

12 inch 14 inch 16 inch 18 inch 20 inch 24 inch and now even 26 inch.

How to measure what size bike you have. Methods if you don t know how to measure a bike. Kids bikes come in these different wheel sizes. Ideally you ll know your bike size before you buy. If you are sizing a mountain bike measure in inches them multiply your inseam by 67 and subtract 4 inches.

To measure the inseam you need a yardstick and a medium sized book. If you find the tire size the first dimension is the tire diameter the second dimension is the tire thickness. 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. Now run the measuring tape up your seat tube.

If it is just the frame this will be the center point in the bottom bracket shell. 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. There are actually three now six options. It ll make the whole process easier and you ll be set up for success right from the beginning.

If the size isn t given you ll need to measure the seat tube manually. The bike size is measured from where the seat post starts and to the crank. What size do kids bikes come in. If you have straight fork legs without an angle at their crown the angle of the legs will be the same as the head tube angle so you can measure this instead.

You can calculate or use the bike size charts below. To size a bike you ll need to take your inseam measurement. Measure the diameter of the existing tire as illustrated above d or look on the tire for the size it looks like this. After measuring you can refer to a bike size chart as provided in this article to find your child s suitable bike size.

After all bikes come in all shapes and sizes so learning how to measure for a bike is important to ensure you ride away on the model that s right for you. While not all bicycle frames have a size label it ll save you some work if yours does. Record the tire diameter as this also represents the bike frame size. Sometimes however there are other ways.

Stand with your feet 6 inches apart then measure from the inside of your foot up to your crotch where your leg meets your waist. It is fairly simple. When you reach the end of the seat tube you have your frame size. Getting the right size bike if you re in the market for a new bike knowing what size bike you need can really come in handy.

So if you don t know what size bike do i need here are the answers.