BMX BIKE SIZING CHART
Strider balance bikes
Ages 2-5
Micro Mini (18 or 20 inch frame and wheels) or Mini (20 inch frame and wheels)
Ages 5-8 years
Junior (20 inch frame and wheels)
Ages 5-8 years
Expert or Expert XL (20 inch frame and wheels)
Ages 5-8 years
Pro, Pro XL and up (20 inch frame and wheels)
Ages 14 years and upwards
Cruiser Junior to Pro (24 inch frame and wheels)
Ages 8-9 years and upwards