BMX Race Sizing Guide


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



BMX Freestyle Sizing Guide


Wheel SizeToptube LengthRecommended Rider Height (Approximate)
12"12" - 13"2'4" to 3'
14"14" - 14.5"2'8" to 3'6"
16"16" - 16.5"3'2" to 4'
18"18" - 18.5"3'10" to 4'8"
20"18.5" - 20"4'8" to 5'2"
20"20"5' to 5'4"
20"20.25"5'2" to 5'6"
20"20.5"5'4" to 5'8"
20"20.75"5'6" to 6'
20"21"5'8" to 6'2"
20"21.25"6' +