Bike Frame Size Chart

One of the most important factors to consider when buying a new bike is finding the right frame size. Riding a bike that is the wrong size for you can be uncomfortable and even lead to injuries.
That’s why it’s crucial to determine the correct frame size based on your body measurements. A bike frame size chart can be a valuable tool in this process.

Bike Frame Size Chart
Fitness And Hybrid Bike Size Chart

Rider Measurements		Suggested Frame Size
Height	Inseam	Size	Centimeters
140 – 147 cm 4’7″ – 4’10”	65 – 70 cm 26″ – 28″	XXS	47 – 48
147 – 155 cm 4’10” – 5’1″	69 – 73 cm 27″ – 29″	XS	49 – 50
155 – 165 cm 5’1″ – 5’5″	72 – 78 cm 28″ – 31″	S	51 – 52 – 53
165 – 175 cm 5’5″ – 5’9″	77 – 83 cm 30″ – 33″	M	54 – 55
175 – 186 cm 5’9″ – 6’1″	82 – 88 cm 32″ – 35″	L	56 – 57 – 58
186 – 197 cm 6’1″ – 6’6″	87 – 93 cm 34″ – 37″	XL	58 – 59 – 60
197 – 203 cm 6’6″ – 6’8″	92 – 95 cm 36″ – 37″	XXL	61 – 62 – 63

Road Bike Size Chart

Rider Measurements		Suggested Frame Size
Height	Inseam	Alpha Size	Size in CM
148 – 152 cm 4′ 10″ – 5 ‘0″	65 – 71 cm 27″ – 38″	XXS	47 – 48
152 – 160 cm 5′ 0 “- 5′ 3”	71 – 75 cm 28″ – 30″	XS	49 – 50
160 – 168 cm 5′ 3″ – 5′ 6″	76 – 79 cm 30″ – 31″	S	51 – 52 – 53
168 – 175 cm 5 6″ – 5′ 9″	78 – 82 cm 31″ – 32″	M	54 – 55
175 – 183 cm 5′ 9″ – 6′ 0″	81 – 85 cm 32″ – 33″	L	56 – 57 – 58
183 – 191 cm 6′ 0″ – 6′ 3″	86 – 90 cm 34″ – 35″	XL	58 – 59 – 60
191 – 198 cm 6′ 3″ – 6′ 6″	89 – 92 cm 35″ – 36″	XXL	61 – 62 – 63

Women’s Road Bike Size Chart

Bike Frame Size Chart		Suggested Frame Size
Height	Inseam	Alpha Size	Size in Centimeters
147 – 155 cm 4′ 10″ – 5′ 1″	65 – 71 cm 27″ – 38″	XXS	44 – 45 -46
155 – 160 cm 5′ 1″ – 5′ 3″	71 – 75 cm 28″ – 30″	XS	47 – 48 – 49
160 – 165 cm 5′ 3″ – 5′ 5″	76 – 79 cm 30″ – 31″	S	50 – 51 -52
165 – 172 cm 5′ 5″ – 5′ 8″	78 – 82 cm 31″ – 32″	M	53 – 54 -55
172 – 180 cm 5′ 8″ – 5′ 10″	81 – 85 cm 32″ – 33″	L	56 – 57

Mountain Bike Size Chart

Rider Measurements		Suggested Frame Size
Height	Inseam	Alpha Size	Size in Inches
135 – 145 cm 4’5″ – 4’9″	64 – 68 cm 25″ – 27″	XXS	11 – 12
145 – 155 cm 4’9″ – 5’1″	69 – 73 cm 27″ – 29″	XS	13 – 14
155 – 165 cm 5’1″ – 5’5″	74 – 78 cm 29″ – 31″	S	15 – 16
165 – 176 cm 5’5″ – 5’9″	79 – 83 cm 31″ – 33″	M	17 – 18
173 – 180 cm 5’8″ – 5’11”	81 – 86 cm 32″ – 34″	L	19 – 20
177 – 188 cm 5’10” – 6’2″	84 – 89 cm 33″ – 35″	XL	21 – 22
188 – 195 cm 6’2″ – 6’5″	89 – 91 cm 35″ – 36″	XXL	23 – 24

Women’s Mountain Bike Size Chart

Rider Measurements		Suggested Frame Size
Height	Inseam	Size	Inches
148 – 158 cm 4′ 10″ – 5′ 2″	69 – 73 cm 27″ – 29″	XS	13 – 14
158 – 168 cm 5′ 2″ – 5 ‘6″	74 – 78 cm 29″ – 31″	S	15 -16
168 – 178 cm 5′ 6″ – 5′ 10″	81 – 86 cm 32″ – 34″	M	17 – 18
178 – 185 cm 5′ 10″ – 6′ 1″	84 – 89 cm 33″ – 35″	L	19+

Kid’s Bike Size Chart

Rider Age, Height, or Inseam			Suggested Size
Age	Height	Inseam	Wheel Size
2 – 5 years	85 – 110 cm 2′ 10″ – 3′ 7″	38 – 45 cm 15” – 18”	Run bikes
2 – 4 years	85 – 100 cm 2′ 10″ – 3′ 4″	38 – 45 cm 15” – 18”	12″ wheel diameter
5 – 7 years	100 – 120 cm 3′ 4″ – 4′ 0″	40 – 56 cm 16” – 22”	16″ wheel diameter
7 – 9 years	120 – 135 cm 4′ 0″ – 4′ 5″	48 – 63 cm 19” – 25”	20″ wheel diameter
9 – 11 years	135 – 145 cm 4′ 5″ – 4′ 9″	58 – 71 cm 23” – 28”	24″ wheel diameter
11+ years	145+ cm4′ 9″+	63+ cm 25” +	26″ wheel diameter

Why Does Bike Frame Size Matter?

The frame size of a bike is the measurement of the bike’s main triangle, which consists of the top tube, seat tube, and down tube. It determines the overall dimensions of the bike and plays a significant role in its fit and handling. Riding a bike with the wrong frame size can negatively affect your posture, comfort, and control.

Using a Bike Frame Size Chart

A bike frame size chart provides a guideline for determining the appropriate frame size based on your height and inseam length. While it’s a useful tool, it’s important to note that bike sizing can vary between manufacturers and models. Therefore, it’s always recommended to test-ride a bike before making a purchase.

How to Measure Your Height and Inseam Length

To accurately use a bike frame size chart, you need to measure your height and inseam length.

Height: Stand against a wall without shoes and measure from the floor to the top of your head.
Inseam Length: Stand with your feet shoulder-width apart and measure from the floor to your crotch.

Finding the Right Fit

Once you have determined your measurements and consulted a bike frame size chart, it’s important to test ride the bike to ensure the fit is right for you. Here are some additional factors to consider:

Standover Height: When standing over the bike’s top tube, there should be a few inches of clearance between you and the tube.
Reach: You should be able to comfortably reach the handlebars without straining.
Saddle Height: Your feet should be able to touch the ground when you’re seated on the saddle.

Remember, the frame size is just one aspect of finding the right bike fit. Other factors such as seat position, handlebar width, and stem length can also impact your overall comfort and riding experience.

Bike Frame Size Chart: Find Your Perfect Fit!

Conclusion

Using a bike frame size chart can be a helpful starting point in finding the right bike frame size for you. However, it’s crucial to consider individual variations and factors such as bike geometry, riding style, and personal preference. If possible, consult with a bike fitting professional to ensure the most accurate and comfortable fit. A well-fitted bike will enhance your riding experience and make your cycling adventures more enjoyable.

FAQ

What Size Bike Frame Do I Need For My Height?

The size of your bike frame depends on your height. Consult a bike frame size chart to find the right fit.

How Do I Measure The Bike Frame Size?

To measure the bike frame size, measure the distance from the top of the seat tube to the center of the bottom bracket.

Can I Ride A Bike With A Frame That Is Too Small?

Riding a bike with a frame that is too small can lead to discomfort, inefficient cycling, and potential injury.