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General Bike Sizing Guide

Please click here for Ghost Bike Sizing in CM -

The most accurate way of finding your ideal frame size is to measure your inseam length in inches (from in between your legs straight down to the floor) and multiply by 0.59 for Mountain Bikes, 0.68 for Road and Trekking bikes or 0.64 for the Hybrid Bikes.

This method should be used as well as checking rider height with the following charts to judge the best size between them. The height charts on their own often over-estimate the frame size required.

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 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+	L

Please note
Women's mountain bikes have specific differences to men's mountain bikes.

Hybrid bike sizing chart

Rider Height		Frame Size Suggested
Feet and Inches	Centimetres	Inches	Size	Centimetres
4' 10" - 5' 1"	147 - 155	13 - 14	XS	47 - 49
5' 1" - 5' 5"	155 - 165	15 - 16	S	50 - 52
5' 5" - 5' 9"	165 - 175	17 - 18	M	53 - 54
5' 9" - 6' 0"	175 - 183	19 -20	L	55 - 57
6' 0" - 6' 3"	183 - 191	21 - 22	XL	58 - 61
6' 3" - 6' 6"	191 - 198	23 - 25	XXL	61 - 63

Road bike sizing chart

Rider Height		Frame Size Suggested
Feet and Inches	Centimetres	Centimetres	Size
4' 10" - 5 '0"	148 - 152	47 - 48	XXS
5' 0 "- 5' 3"	152 - 160	49 - 50	XS
5' 3" - 5' 6"	160 - 168	51 - 52 - 53	S
5 6" - 5' 9"	168 - 175	54 - 55	M
5' 9" - 6' 0"	175 - 183	56 - 57 - 58	L
6' 0" - 6' 3"	183 - 191	58 - 59 - 60	XL
6' 3" - 6' 6"	191 - 198	61 - 62 - 63	XXL

Women's road bike sizing chart

Rider Height		Frame Size Suggested
Feet and Inches	Centimetres	Centimetres	Size
4' 10" - 5' 1"	147 - 155	44 - 45 - 46	XXS
5' 1" - 5' 3"	155 - 160	47 - 48 - 49	XS
5' 3" - 5' 5"	160 - 165	50 - 51 - 52	S
5' 5" - 5' 8"	165 - 172	53 - 54 - 55	M
5' 8" - 5' 10"	172 - 180	56 - 57	L

Triathlon and Time Trial bike sizing chart

Rider Height		Frame Size Suggested
Feet and Inches	Centimetres	Centimetres	Size
5' 0" - 5' 3"	152 - 160	49 - 50	XS
5' 3" - 5' 6"	160 - 168	51 - 52	S
5' 6" - 5' 9"	168 - 175	53 -54	M
5' 9" - 6' 0"	175 - 183	55 - 56	L
6' 0" - 6' 3"	183 - 191	57 - 58	XL
6' 3" - 6' 6"	191 - 198	60 - 61	XXL

Jump and Trial bike sizing

As a general rule Jump and Trial bikes are one size fits all; catering for people from heights of 4' 10" - 6' 4" (148cm - 193cm). There are a few exceptions to this rule where size options are offered, if this is the case please contact us

Folding bike sizing

As a general rule folding bikes are one size fits all catering for people from heights of 4' 10" - 6' 4" (148cm - 193cm).

BMX bike sizing chart

Rider Age or Height			Wheel Size Suggested
Feet and Inches	Centimetres	Age	Inches
3' 7" - 4' 0"	110 - 122	5 - 7 years	16
4' 0" - 4' 10"	122 - 147	7 - 11 years	18
4' 10" - 6' 4"	147 - 193	11+ years	20

Children's bike sizing chart

Rider Age or Height			Size Suggested
Age	Feet and Inches	Centimetres
2 - 5 years	2' 10" - 3' 7"	85 - 110	Runner bikes
2 - 4 years	2' 10" - 3' 4"	85 - 100	12 inch wheel diameter
3 - 5 years	3' 1" - 3' 7"	95 - 110	14 inch wheel diameter
5 - 7 years	3' 7" - 4' 0"	110 - 120	16 inch wheel diameter
7 - 9 years	4' 0" - 4' 5"	120 - 135	20 inch wheel diameter
9 - 11 years	4' 5" - 4' 9"	135 - 145	24 inch wheel diameter
11+ years	4' 9"+	145+	26 inch wheel diameter

Trailer bike sizing chart

Rider Age or Height			Size Suggested
Age	Feet and Inches	Centimetres
3 - 5 years	3' 1" - 3' 7"	95 - 110	20 inch wheel diameter
5 - 9 years	3' 7" - 4' 5"	110 - 135	24 inch wheel diameter