BMX Bike Sizing - Americancycle.com Fit Information

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

Rider Height	Frame Size	Toptube Length	Stem Length	Bar Rise	Bar Width	Crank Length	Gearing
4’4″ & under	Micro	15″ – 16.5″	Mini: 25mm – 35mm	2″ – 2.5″	20″ – 22.5″	145 – 155mm	41-43 / 16
4’2″ – 4’10”	Mini	16″ – 17.5″	Mini-Mini XL: 30mm – 40mm	2″ – 3.5″	21″ – 23.5″	155 – 165mm	41-43 / 16
4’6″ – 5’1″	Junior	17″ – 18.5″	Mini XL-Expert: 40mm – 45mm	3″ – 5″	22″ – 25″	160 – 175mm	42-43 / 16
5’0″ – 5’4″	Expert	18.5″ – 19.5″	Expert-Pro: 43mm – 48mm	5″ – 7″	25.5″ – 27″	170 – 175mm	42-43 / 16
5’2″ – 5’6″	Expert XL	19.5″ – 20″	Expert-Pro: 43mm – 48mm	6″ – 7″	25.5″ – 27″	170 – 175mm	42-43 / 16
5’3″ – 5’8″	Pro	20″ – 20.5″	Pro: 50mm – 55mm	7″ – 8″	27″ – 28″	175 – 180mm	43-44 / 16
5’7″ – 6″	Pro XL	20.5″ – 21.25″	Pro XL: 50mm – 55mm	8″ +	28″	180 – 190mm	44 / 16 & over
6″ & over	Pro XXL	21.25″ – 22″	Pro XXL: 52mm – 60mm	8″ +	28″	180 – 190mm	44 / 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.