Bike Wheel Size Chart Kid. Measuring your child in store. It should be adjusted so that the child can touch the floor with both feet.
Your child s first bike will probably be a balance bike which is a bike that has no pedals. Mountain bike wheel sizes. When your kiddo is ready for 26 inch they are generally ready for an adult size ride although some bike manufacturers make smaller youth size 26 bikes.
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.
When you re choosing a bike for your child kids bike sizing is all about the wheels. 18 22 inches 45 55 cm. The smallest pedal bikes begin with 12 inch wheels. It is not a complex question but it is.