BMX Bike Sizing Chart for BMX

Rider Sizing Chart. Want to know what size bike to get?

Rider HeightFrame SizeToptube LengthStem LengthBar RiseBar WidthCrank LengthGearing
4’4″ & underMicro15″ – 16.5″Mini: 25mm – 35mm2″ – 2.5″20″ – 22.5″145 – 155mm41-43 / 16
4’2″ – 4’10”Mini16″ – 17.5″Mini-Mini XL: 30mm – 40mm2″ – 3.5″21″ – 23.5″155 – 165mm41-43 / 16
4’6″ – 5’1″Junior17″ – 18.5″Mini XL-Expert: 40mm – 45mm3″ – 5″22″ – 25″160 – 175mm42-43 / 16
5’0″ – 5’4″Expert18.5″ – 19.5″Expert-Pro: 43mm – 48mm5″ – 7″25.5″ – 27″170 – 175mm42-43 / 16
5’2″ – 5’6″Expert XL19.5″ – 20″Expert-Pro: 43mm – 48mm6″ – 7″25.5″ – 27″170 – 175mm42-43 / 16
5’3″ – 5’8″Pro20″ – 20.5″Pro: 50mm – 55mm7″ – 8″27″ – 28″175 – 180mm43-44 / 16
5’7″ – 6″Pro XL20.5″ – 21.25″Pro XL: 50mm – 55mm8″ +28″180 – 190mm44 / 16 & over
6″ & overPro XXL21.25″ – 22″Pro XXL: 52mm – 60mm8″ +28″180 – 190mm44 / 16 & over
The next size bigger is XXXL, but XXXL bikes are usually only sold in frames. The next wheel size bigger is 24″. 24″ Wheel bikes are called Cruiser. There is also a 22″ wheeled bike. We have the Verde Spectrum in 22″. After 24″ is 26″, 27.5″ and 29″. Some of these larger bikes can be single speed or have multiple gears for off road and hilly terrain.