THIS ONLY A GUIDE NOT AN EXACT MEASUREMENT

Mountain bike sizing chart (hardtail & full suspension)

Rider Height
Frame Size Suggested
Feet and Inches
Centimetres
Inches
Size
4' 10" - 5' 2"
148 - 158
13 - 14
XS
5' 2" - 5 '6"
158 - 168
15 - 16
S
5' '6" - 5' 10"
168 - 178
17 - 18
M
5' 10" - 6' 1"
178 - 185
19 - 20
L
6' 1" - 6' 4"
185 - 193
21 - 22
XL
6 '4" - 6' 6"
193 - 198
23 - 24
XXL


Women's mountain bike sizing chart (hardtail & full suspension)

Rider HeightFrame Size Suggested
Feet and InchesCentimetresInchesSize
4' 10" - 5' 2"148 - 15813 - 14XS
5' 2" - 5 '6"158 - 16815 - 16S
5' 6" - 5' 10"168 - 17817 - 18M
5' 10" - 6' 1"178 - 18519+L


Road bike sizing chart

Rider HeightFrame Size Suggested
Feet and InchesCentimetresCentimetresSize
4' 10" - 5 '0"148 - 15247 - 48XXS
5' 0 "- 5' 3"152 - 16049 - 50XS
5' 3" - 5' 6"160 - 16851 - 52 - 53S
5 6" - 5' 9"168 - 17554 - 55M
5' 9" - 6' 0"175 - 18356 - 57 - 58L
6' 0" - 6' 3"183 - 19158 - 59 - 60XL
6' 3" - 6' 6"191 - 19861 - 62 - 63XX


Women's road bike sizing chart

Rider HeightFrame Size Suggested
Feet and InchesCentimetresCentimetresSize
4' 10" - 5' 1"147 - 15544 - 45 - 46XXS
5' 1" - 5' 3"155 - 16047 - 48 - 49XS
5' 3" - 5' 5"160 - 16550 - 51 - 52S
5' 5" - 5' 8"165 - 17253 - 54 - 55M
5' 8" - 5' 10"172 - 18056 - 57L


Hybrid bike sizing chart

Rider HeightFrame Size Suggested
Feet and InchesCentimetresInchesSizeCentimetres
4' 10" - 5' 1"147 - 15513 - 14XS47 - 49
5' 1" - 5' 5"155 - 16515 - 16S50 - 52
5' 5" - 5' 9"165 - 17517 - 18M53 - 54
5' 9" - 6' 0"175 - 18319 -20L55 - 57
6' 0" - 6' 3"183 - 19121 - 22XL58 - 61
6' 3" - 6' 6"191 - 19823 - 25XXL61 - 63


Triathlon and Time Trial bike sizing chart

Rider HeightFrame Size Suggested
Feet and InchesCentimetresCentimetresSize
5' 0" - 5' 3"152 - 16049 - 50XS
5' 3" - 5' 6"160 - 16851 - 52S
5' 6" - 5' 9"168 - 17553 -54M
5' 9" - 6' 0"175 - 18355 - 56L
6' 0" - 6' 3"183 - 19157 - 58XL
6' 3" - 6' 6"191 - 19860 - 61XXL


BMX bike sizing chart

Rider Age or HeightWheel Size Suggested
Feet and InchesCentimetresAgeInches
3' 7" - 4' 0"110 - 1225 - 7 years16
4' 0" - 4' 10"122 - 1477 - 11 years18
4' 10" - 6' 4"147 - 19311+ years20


Children's bike sizing chart

Rider Age or HeightSize Suggested
AgeFeet and InchesCentimetres 
2 - 5 years2' 10" - 3' 7"85 - 110Runner bikes
2 - 4 years2' 10" - 3' 4"85 - 10012 inch wheel diameter
3 - 5 years3' 1" - 3' 7"95 - 11014 inch wheel diameter
5 - 7 years3' 7" - 4' 0"110 - 12016 inch wheel diameter
7 - 9 years4' 0" - 4' 5"120 - 13520 inch wheel diameter
9 - 11 years4' 5" - 4' 9"135 - 14524 inch wheel diameter
11+ years4' 9"+145+26 inch wheel diameter


Trailer bike sizing chart

Rider Age or HeightSize Suggested
AgeFeet and InchesCentimetres 
3 - 5 years3' 1" - 3' 7"95 - 11020 inch wheel diameter
5 - 9 years3' 7" - 4' 5"110 - 13524 inch wheel diameter