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BMX Rider Sizing Chart

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 19.25" - 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" - 6'0" Pro XL 20.75" - 21.25" Pro XL: 50mm - 55mm 8" + 28" 180 - 190mm 44 / 16 & over
6' and over Pro XXL 21.25" - 22" Pro XL: 52mm - 60m 8" + 28" 180 - 190mm 44 / 16 & over