All little riders grow at different rates. So the best way of finding the right size bike for them is to look at models in their age range and then match their height to the right bike. Kid’s bikes are basically scaled down versions of adult bikes and are typically measured through wheel sizes. As a rule, it’s best to get your child to sit on a potential new bike and to check that they can touch the ground with both feet.
This handy chart should show you the right bike for your child, based on age, height and wheel size. In order to accurately match the correct bike for your child, it’s essential you measure their height accurately.