How To Measure Kids Bike Frame

Discover the difference between mountain bmx road and balance bikes and watch our how to measure videos to find out exactly what size they need.

How to measure kids bike frame.

Finding the correct frame size is key to your safety and enjoyment our guide walks you through everything you need to know in order to measure a bike frame. Place the tip of a tape measure against the center point of the head tube where it intersects with the top tube. Measure the bike frame s top tube length. Put a book to the top of your head.

This is the outer diameter of the existing tire. Measure along the top tube to the center point of the seat tube and find the length in centimeters. Kids bikes without pedals are called run bikes and have wheels that measure from 8 to 12. Kids bike size chart by inseam.

If you re dealing with a slanted top tube measure instead to the effective top tube. Unlike adult sizing where the bike frame determines size in kids bikes the wheels set the proportions. Our guide is here to help you find the right bike for the age and size. Kids bikes come in a sequence of wheel sizes because they have to scale the wheels with the frame.

Kids bikes frame sizing is generally measured in. Measuring your child s inseam is the best way to find the right bike size. Bike wheels start small with one size balance bikes for toddlers. Meanwhile wheels that are 24 inches in diameter are considered the last step before moving up to adult models.

20 wheels won t work on a bike for a 3 year old for instance. Picking the right sized bike can be a bit harder for children as the size of the wheels dictate the correct bike size for kids rather than the frame. Learning to ride a bike is hard enough without the bike being too big or too small. Rider charts select a kids bike size to see a chart of suitable riders by age and height.

Mark the place on the wall where the bottom of the box is resting. The correct frame size is the only way to ensure that your child reaches the floor safely and easily with both feet at the lowest saddle height. The triathlon bike frame size chart is easy to use and i chose my first tri frameset from rinasclta and the consultant was nice and helpful. Remove anything from your head.

Measure from the floor to the pencil mark with a measuring tape. Finding the right kids size bike. There is not much variation in frame size for a given wheel diameter and kids bikes are designed to have a very large range of adjustability of sear height and handlebar position.