Bike Size Charts – Easy Steps to Find the Right Size Bike | BikeRide

When buying a newfangled bicycle, you have a wide range of options available to you online. If you ’ ra buy a bicycle from the web site of a retailer or manufacturer, it is specially important to get your sizing right .

Our simple charts will help you find the correct size:

Want a more precise fit? See details on:

Commuter and Hybrid Bikes

For riders looking for a commuter or loanblend style bicycle, these charts simplify your size options .
Commuter and hybrid bikes may be measured in either inches or centimeters :


Height Size Inches Centimeters
4’10” – 5’2″ XXS – XS 13″ – 14″ 33cm – 36cm
5’2″ – 5’6″ XS – S 14″ – 16″ 36cm – 41cm
5’6″ – 5’10” S – M 16″ – 18″ 41cm – 46cm
5’10” – 6’1″ M – L 18″ – 20″ 46cm – 51cm
6’1″ – 6’4″ L – XL 20″ – 22″ 51cm – 56cm
6’4″ – 6’6″ XL – XXL 22″ – 24″ 56cm – 61cm


Height Size Inches Centimeters
4’10” – 5’2″ XS – S 13″ – 14″ 33cm – 36cm
5’2″ – 5’6″ S – M 14″ – 16″ 36cm – 41cm
5’6″ – 5’10” M – L 16″ – 18″ 41cm – 46cm
5’10” – 6’1″ L – XL 19″ + 48cm +

Mountain bikes and road bikes are sized differently .

Road Bikes

Road motorcycle frame sizes are normally measured in centimeters. Sizing differs from mountain and hybrid bikes :


Height Size Centimeters
4’10” – 5’0″ XXS – XS 47cm – 48cm
5’0″ – 5’3″ XS – S 48cm – 50cm
5’3″ – 5’7″ S – M 50cm – 54cm
5’7″ – 5’9″ M 54cm – 55cm
5’9″ – 6’0″ M – L 55cm – 59cm
6’0″ – 6’3″ L – XL 58cm – 60cm
6’3″ – 6’6″ XL – XXL 60cm – 63cm


Height Size Centimeters
4’10” – 5’1″ XXS 44cm – 46cm
5’1″ – 5’3″ XXS – XS 46cm – 49cm
5’3″ – 5’5″ XS – S 49cm – 52cm
5’5″ – 5’8″ S – M 52cm – 55cm
5’8″ – 5’10” M – L 55cm – 57cm
5’10” – 6’1″ L – XL 57cm – 59cm

Mountain Bikes

mountain bike frames are shorter and smaller than road bikes. This improves agility during technical foul drive .
A low top-tube avoids injury during dismounts .

Height Size Inches
4’8″ – 5’3″ XS 13″ – 15″
4’11” – 5’7″ S 14″ – 16″
5’5″ – 5’11” M 16″ – 18″
5’7″ – 5’11” M – L 17″ – 18″
5’9″ – 6’3″ L 18″ – 20″
5’11” – 6’5″ XL 20″ – 22″
6’3″ – 6’9″ XXL 21″ – 24″

That ’ s all you need to know to quickly and well choose your bicycle size. If you want a more precise fit, read on .
many bicycle size charts make no note of inseam measurements, but this may be the most authoritative measurement to consider when fitting a fresh motorcycle. Read hera for details on inseam measurements .

Standardized Sizes

Variation in sizing between three mountain bikes from one retailer.

ten, S, M, L and XL are known as ‘ standardize sizes ’ .
Sizing varies between brands. The little ( S ) size from one brand or model could be equivalent to an ten or M for another brand or model .
For these reasons, it isn ’ deoxythymidine monophosphate specially useful to think of yourself as a size Medium across all bikes .
Sizing besides varies between road, hybrid/commuter and batch bicycle types. It besides varies between men ’ s and women ’ mho bikes .

Frame Sizes

frame sizes are based on the duration of a bicycle ’ s seat-tube, from its topmost point to the focus on of the bottom bracket. Road bikes bill this in centimeters while mountain bikes use inches .
For model, you may suit a ‘ 55cm ’ road bicycle ensnare size – or a ‘ 16 column inch ’ mountain bicycle frame .
frame sizes are more accurate across brands than standardized sizes .

Geometry Charts

Quality brands will display a geometry chart on their bicycle ’ mho product page. These may seem complicated, but standover stature and reach are the main measurements to focus on for size .

Useful Measurements

These soundbox measurements will help you achieve an accurate paroxysm :


Your overall stature is useful for finding a motorcycle of the adjust stature, but this should be used in conjunction with your inseam and reach ( weapon duration ) measurements .
While two people may be the exact like height, it is likely that their arms and legs will be different lengths .
If you merely use your acme, it ’ s silent potential to select a motorcycle that will overextend your arms or legs .

Inseam and Standover Height

Your inseam measurement determines whether or not you can comfortably straddle and pedal your bicycle. When it comes to your leg length, inseam is the most authoritative measurement you can take .
You may need some help to make this measurement. With shoes on, stand upright with your feet flat on the grate. Use a quantify tape to record the distance from the floor to the highest point of your inside leg at your fork. This is your inseam measurement. If you don ’ t have person to help you, use a book to mark the wall behind you .
Every person has different proportions. This chart illustrates the stove in inseam lengths :

Height Inseam Height Inseam
4’8″ – 5’0″ 23″ – 29″ 5’0″ – 5’3″ 26″ – 30″
5’3″ – 5’7″ 27″ – 33″ 5’7″ – 5’9″ 30″ – 34″
5’9″ – 6’0″ 31″ – 36″ 6’0″ – 6’3″ 33″ – 37″
6’3″ – 6’6″ 34″ – 39″ 6’6″ – 6’9″ 36″ – 41″

many manufacturers list the ‘ standover height ’ of their bikes. This is the distance from the floor to the motorcycle ’ s top-tube. You are seeking a bicycle with a standover altitude that is 1 ” to 2 ” inches less than your inseam measurement .
The distance between your inseam length and your bicycle ’ s standover height is known as ‘ headroom ‘. This is specially important to consider for off-road cycle .


Reach relates to how comfortable you are when seated and in contact with your motorcycle ’ randomness handlebars. excessively much reach and your arms will be overextended, causing you to lean excessively far forward. This leads to discomfort and a miss of visibility. Too little reach and your arms will feel cramped .
If you already have a bicycle that fits well, you can measure the reach distances on that bicycle and compare them to those listed on the manufacturer ’ south geometry chart .
If you don ’ t have a bicycle that fits well, consider the follow .

Between Sizes – Solutions

For the average person, the distance between their fingertips with arms outstretched is peer to their height. If you are on the boundary line of two ensnare sizes and your arms are longer than average, size up. If your pass is shorter, size down .
Are you on the frame of mountain bicycle sizes ? If you ride technical trails, choose the smaller option for increased agility. A larger size will stretch you out and will only help for farseeing, fast sections .
If your legs are longer than usual, size up to a bicycle with increased standover. For shorter leg, size down .
If you are ambitious, match or athletic you may benefit from a larger frame with a lower visibility. For a more casual ride-style, size down .
If you suffer from decreased neck or back tractability, a smaller size will place you in a more erect position .


clearance is the outdistance between your bicycle ’ s top-tube and the highest point on your inside peg .
More clearance is needed for technical mountain bicycle, where dismounts are coarse .
Increased headroom is besides beneficial for casual riders in urban areas, where dependable break can be patronize .
A lack of clearance can lead to atrocious injuries .
Step-through frames have much more headroom than standard frames. They suit less-flexible cyclists and fit a wide range of rider sizes and heights… and they can be ridden in a dress .

Wheel Size

These are the standard wheel sizes found on these motorcycle types :

Hybrids and Commuters:

  • 27.5”
  • 650b
  • 700c

Road bikes:

  • 700c

Mountain Bikes:

  • 27.5”
  • 29”

small and shorter riders may find a better burst on the like bicycle type with these smaller wheel sizes :

Hybrids and Commuters:

  • 26”

Road bikes:

  • 650b
  • 650c

Mountain Bikes:

  • 26”
  • 27.5”

On some bicycle models, smaller size may use smaller wheels to remain in proportion .

Adjusting a Bike for a Better Fit

If your bicycle is slightly mis-sized, don ’ triiodothyronine eat into yet. here ’ s how to adjust your reach for a better meet :

  • Replace your stem with a longer or shorter option.
  • Install an adjustable stem to alter handlebar height and distance.
  • Install riser handlebars to increase handlebar height and reduce reach.
  • Move your seat forward or backward.
  • Replace your straight seatpost with a ‘layback’ seatpost.

The Wrong Size

A mis-sized motorcycle can lead to lower binding, shoulder, neck, knee and elbow pain. Mis-sizing results in reduce enjoyment and performance .
The wrong size bicycle can be dangerous, due to a miss of dominance and/or visibility .

The Rightsize

now you can make an inform option when it comes to selecting the bicycle size that fits you. Rightsizing is an essential agent in experiencing maximal bicycle comfort, performance and enjoyment .
Owen JesseOwen Jesse Owen Jesse
Owen has spent decades build and ride bikes ; as a messenger, photographer and for an environmental not profit. He ’ sulfur volunteered teaching others to fix their bikes and loves a genre busting motorcycle build .

Useful Links

  • See our reviews, for more information on the Best Bikes for you.
  • Have questions about which bike to choose? Ask in our Forum.
  • Want to win a bike instead of buying one? See our bike Giveaway.
  • Find out more about BikeRide.
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