Maximum BMX in Nobelsville, Indiana

 

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BMX Sizing Charts

 Frame & Component Sizing

RIDER HEIGHT FRAME SIZE TOP TUBE LENGTH STEM LENGTH BAR RISE BAR WIDTH CRANK LENGTH GEARING
4'0" & Under Micro-Mini 15"-16" 0-35mm 2"-2.5" 20"-22.5" 150-160mm 41-43F/16R
4'0"-4'6" Mini 16"-17" 35-45mm 2"-3.5" 21"-23.5" 155-165mm 41-43F/16R
4'4"-4'10" Junior 17"-18.5" 45-46mm 3"-5" 22"-25" 160-175mm 42-43F/16R
4'8"-5'4" Expert 18.5"-19.5" 46mm 5"-7" 25.5"-27" 170-175mm 42-43F/16R
5'4"-5'10" Pro 20"-20.5" 46-52mm 7"-8" 27"-28" 175-180mm 43-44F/16R
5'10" & Over Pro XL & XXL 20.5" & Over 52-60mm 7"-8" 28" 180-185mm 44F/16R & Up

 Rim Sizing

RIDER WEIGHT RIM SIZE
50-90 Pounds 20"/24" x 1-1/8"
85-120 Pounds 20"/24" x 1-3/8"
115-150 Pounds 20"/24" x 1.5"
140 Pounds & Above 20"/24" x 1.75"

 Crank Sizing

INSEAM LENGTH <19" 20" 21" 22" 23" 24" 26" 27" 28"-29" 30"-31"
CRANK LENGTH 135mm 140mm 145mm 150mm 155mm 160mm 165mm 170mm 175mm 180mm

 Helmet Sizing

To determine your hat size, measure your head about 1/2" above your brow in cm and refer to the chart.

HAT SIZE 6-1/4" 6-3/8" 6-1/2" 6-5/8" 6-11/16" 6-3/4" 6-3/4" 7" 7-1/8" 7-1/4" 7-3/8" 7-1/2" 7-5/8" 7-3/4" 7-7/8" 8 8-1/4" 8-1/4" 8-3/8"
HEAD CIRCUMFERENCE-METRIC cm 50 51 52 53 53.5 54 55 56 57 58 59 60 61 62 63 64 65 66 67

 FLY/GMAX/THH HELMETS

  4XS/YS 3XS/YM 2XS/YL XS S M L XL 2XL 3XL
FLY 6 6-1/8~6-1/4 6-3/8~6-1/2 6-5/8~6-3/4 6-7/8~7 7-1/8~7-1/4 7-3/8~7-1/2 7-5/8~7-3/4 7-7/8~8 -
GMAX 6/1/2008 6-1/4~6-3/8 6-1/2~6-5/8 6-3/4~6-7/8 7~7-1/8 7-1/4~7-3/8 7-1/2~7-5/8 7-3/4~7-7/8 8~8-1/8 8/1/2004
THH 6-1/8~6-1/4 - 6-3/8~6-1/2 6-5/8~6-3/4 6-7/8~7 7-1/8~7-1/4 7-3/8~7-1/2 7-5/8~7-3/4 7-7/8~8 -

 Youth Jersey Sizing

 

YXS 4 - 6
YS 8 - 10 
YM 12 - 18 
YL 20-22

  Youth Pant Sizing

18 2 - 3 
20 4 - 5
22 5 - 6
24 8 - 10 
26 12 - 14