Kids bikes come in these different wheel diameter sizes.
Kids bike fit.
Seat and grips are designed smaller to fit a child s proportions.
Measuring your child s inseam is the best way to find the right bike size.
It is usually the dimension that defines which bike a parent will purchase for a child.
These different wheel and frame sizes help companies design bicycles that will fit kids of all ages and heights.
Get to know the fit familia.
Similarly the right size bike for a 5 year old falls into that same range.
Use the sizing chart below to figure out how kids bikes are measured and defined and to know best what you re looking for when shopping for a particular bike.
Scumbag savage hartbreaker and more.
The best size bike for a 4 year old is either a 12 inch or 16 inch wheel depending on their height.
Every trek kids bike is built to inspire a love of the ride.
12 inch 14 inch 16 inch 18 inch 20 inch 24 inch and now even 26 inch.
Consult bicycle shop for a professional fitting.
And as a general guideline if saddle height is good other dimensions like reach are usually acceptable.
Schwinn smartstart geometry creates the perfect fit and provides more control and stability for young riders.
There are even bike brands that offer small and large bikes within the same wheel size.
Kids bike sizes chart.
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 fitting a bike for a young rider the dimension that is most important is saddle height.
Inseam length inch inseam length cm wheel size.
Child specific saddle and relaxed seat tube angle allow proper leg extension for easier pedaling.
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.
From training wheels to performance road and mtbs find the best kids bikes here.
Sprockets cranks pedals stems etc.
Getting the best kids bike fit.
An important thing to know is that kids bikes are measured using the outside diameter of the tire diameter.
Bikes with the same wheel size can vary drastically in overall size.
Narrow pedal width is sized to fit a child s hips.
Most 8 and 9 year olds will fit on a 20 inch wheel bike.