The Guide to Kids' Bike Sizes and Heights

Kids bicycles come in so many different wheel sizes, 12", 16", 18", 20", 24"; but the trouble is finding which bike size is right for your child.

One of the greatest memories a child can have is when they first learn how to ride a bike. As parents we want our kids to have a great experience; learn quickly, be safe, have a bicycle that fits, and have fun, all at the same time! Here at Schwinn, we believe a well-fitted bike makes the child more comfortable, and being comfortable inspires confidence and the motivation to learn.

However, figuring out children's bicycle sizing can be tough. Kids bicycle sizes are determined by the wheel size of the bicycle. The wheel size of children's bicycles directly correlates with the frame size of the bicycle. Oftentimes you can make a good estimate for what size bike your child will need based upon their age, but with children going through growth spurts and varying in height, it is always better to measure your child's height to find the right bike for them. Of course you should have them test ride the bike as well!

Kids Bike Size Chart

This kids bike size chart will help you determine the correct sized bike for your child.


Parents are often concerned that their child will grow out of a bicycle too quickly. Schwinn SmartStart is our solution to help your child's bike "grow" with them. When the saddle of a Schwinn SmartStart bicycle is raised the angle as well as the distance from the seat to the handlebars and seat to the pedals also increase. This means that as your child grows the bike can continue to fit your child longer.

You can see exactly what we mean and the other benefits of the Schwinn SmartStart bicycle line by watching the video below and checking out our official website.

For more tips on finding what bicycle is right for you, visit our article; Choosing the Right Bike!

Happy Riding!

-Samantha C.