16" kids bikes are slightly larger than the 12" frame. They can accommodate slightly older, taller children, and can be equipped with training wheels.
- 1 Measure the diameter of the existing tire, as illustrated above (D), or look on the tire for the size (it looks like this: nn" x n.n").
- 2 If you find the tire size, the first dimension is the tire diameter, the second dimension is the tire thickness.
- 3 Record the tire diameter, as this also represents the bike frame size.
- 4 Select your bike size from the drop-down on the right to see a rider chart.
Once you know your bike's frame size, select it from the drop-down to see how tall riders should be to use this bike.
Wheel Size (D) - This is the outer diameter of the wheel, with the tire installed on the rim.
Kids Bike Sizing (in) - Kids bikes are measured in inches.