HOW TO CHOOSE BIKES FOR KIDS

  2--5 years (85mm--110mm):  10"--12" wheelsize kids' bike

  6-8 years(110--130mm)   : 14"--16" wheelsize kids' bike

  9--12 years(130--150mm): 20"  wheelsize bikes

 12--14 years(150mm--165mm): 24" bikes