What Size Frame Bike Do I Need

Updated: 22^nd October 2021

What size cycle do I need?

Below you'll find our full general bike frame size guide, however information technology's always best to check the bike sizing nautical chart on the specific model which will be more accurate once you've narrowed downward your options. Click on the frame size yous want to encounter the bicycle models that are correct for you lot.

Summit	Bike Size	Road Wheel Size	Mountain Bike Size *
iv'viii" – 5'1" 143 – 155 cm	XXS	44 cm	13" (33 cm)
five'1" – 5'4" 155 – 163 cm	XS	48 cm	xv" (38 cm)
v'iv" – five'7" 163 – 170 cm	S	51 cm	16" (41 cm)
five'7" – v'ten" 170 – 178 cm	G	54 cm	18" (46cm)
5'10" – 6'0" 178 – 183 cm	L	56 cm	nineteen" (48cm)
vi'0" – 6'3" 183 – 191 cm	XL	58 cm	20" (51 cm)
6'iii" – 6'5" 191 – 196 cm	XXL	60 cm	21" (53 cm)
6'5" – 6'9" 196 – 205 cm	XXXL	62 cm	22" (56 cm)

* Note: Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to utilize centimetres for all their bikes. The measurements of their mountain bikes doesn't match their route bikes but are like a simple conversion from the inches measurement instead. This is why we have included cm measurements in brackets for the mountain bicycle cavalcade.

For more than authentic data on sizing a bike please cheque the specific wheel frame size chart for the model you're are interested in. You will notice the model specific size nautical chart information on the product page of the bike in question. Alternatively, go to the make specific bicycle sizing charts for the model that you are interested in.

Alternatively contact u.s. via Alive Chat. Available until 10pm, 7 days a week

Can I utilise the typical bicycle size chart for women'south specific bikes?

Yes, typically women's specific bikes have different wheel frame sizes to unisex bikes, but they are sized in the same way.

Women tend to have shorter upper bodies than men, so the women's specific frames are shaped differently. The elevation tubes are slightly shorter than unisex bikes which reduces achieve, so female person cyclists won't experience then stretched out. Every bit this doesn't touch the seat tube length (saddle height) or stand-over clearance, our bike size estimator is suitable for all types of bikes.

Women who are between sizes on a Unisex wheel may cull the smaller of the two recommended sizes. See the what if I am between sizes section for more on this.

Woman cycling on a Liv road bike

What size frame do I need if I am in-between sizes?

Sometimes cycle sizing charts or our bike size computer volition recommend two different wheel frame sizing options. This means that both the larger and smaller road bike frame size or mountain bike frame size recommended volition exist suitable for you. To help you lot make the right choice we asked a wheel specialist Dr. Barney Wainwright for some advice.

The central measurement is reach which is how long the bike feels in the riding position. Reach is affected past your trunk length every bit well equally the length of your arms. Trunk length, also known as upper body length or sitting superlative, is the measurement from your hips to your shoulders.

If your trunk length or sitting superlative is longer than average, then the larger of the two sizes recommended in the size chart will exist platonic.

If on the other hand you lot have a shorter than average trunk acme, then the smaller of the two recommended sizes will probably be best for you.

Once you lot take your bike there are some adjustments that you can make to fine-tune the fit. Have a look at the other videos in our Boardman Performance Centre bike sizing serial in our Bike Fitting Guide to see how easy it is to get the right wheel fit.

Do Sizes Vary for Different Types of Bikes?

Road bike sizing and mountain wheel sizes are slightly different and the units used in bike sizes vary depending on type and make. Route bike sizes are usually given in centimetres, while mountain bike frame sizes are quoted in inches. Fortunately, our cycle size chart takes away the guesswork as it suggests mountain wheel frame size and road bike frame size in either inches or centimetres alongside manufacturers bike size charts.

Many bike manufacturers will quote bike sizes every bit S, M, L or small, medium or large etc. on some or all their models. Kids wheel sizes are usually based on wheel size. Some MTB sizing guides volition use inches while you might observe road wheel sizes in centimetres.

Mountain bike and road bike sizing

For model specific sizing delight cheque the Sizing Tab on the production folio of the bike that you are interested in.

Delight annotation all sizing information is to be used as a guide simply. This is considering wheel sizes can vary for different brands and models. If you are unsure which size bike volition exist all-time for you, our bike specialist team are hither to assist. Call u.s. on 01792 346501, chat with Live Assist or e-mail info@tredz.co.united kingdom and we will be happy to assist you.

Brand specific size guides

The higher up information is a full general overview to wheel sizing, model specific sizing tin be found on all the product pages for the virtually popular brands, if in doubt apply these tables for the most specific sizing information.

Bicycle Geometry

Discover what the numbers mean

MTB Geometry Guide

MTB Geometry Explained

Mount wheel geometry tin can be confusing. Here nosotros explicate the nigh of import metrics and what they mean.

Road Bike Geometry

Road Bicycle Geometry Explained

Here nosotros explain the most of import geometry numbers, what they are and what they mean.

Frequently Asked Questions

To find the right size wheel for your acme wait at this bicycle size nautical chart first. This will give you a general thought of the best size for yous but be certain to check the individual size chart for the model of bike yous want before you purchase.

The size of your existing bicycle will be shown somewhere on the frame, usually a sticker on the seat tube or superlative tube. Traditionally bike sizes are adamant by the length of the seat tube, just about modern bikes are sized differently.

Our kids bike size chart shows bike sizes for children. Kids bikes have different wheel sizes and the all-time one for your child will depend on their historic period and their height.

When y'all are learning to ride information technology is helpful if both your feet can touch the ground when yous sit on a bicycle. However, once yous are confident you should enhance the saddle to position that makes pedalling easier. Find out how to set your saddle pinnacle correctly.

Your legs should never exist completely straight when pedalling. See our guide to find out how to set your saddle elevation correctly and then that your leg has the right amount of bend when y'all ride.

Yes, a wheel can be too big. If a bike is besides large it will be difficult to ride also every bit being uncomfortable. Buying a bicycle that is besides big for a child then that they will grow into it eventually could put them off cycling.

26 inch cycle mountain and hybrid bikes are ideal for eleven to xiv twelvemonth old kids. Shorter adults may besides discover that a 26 inch bicycle bike offers the best fit.

26 inch bikes are bikes with 26 inch wheels. These are usually small size mountain bikes suitable for junior riders.

Most 24 inch bicycle bikes are too small for adults to ride as they are designed for kids most 10 years old. The exception to this is 24 inch bike cruiser BMX bikes which are suitable for adults.

A 24 inch bicycle bike is suitable for inferior riders between 135cm and 145cm tall. Cruiser BMX bikes with 24 inch wheels are suitable for adults who like this riding style.

A 21 inch bike frame is an XXL size suitable for people over vi foot 2 inches tall. Run across our bike size chart for more bike sizes.

Your 'sit down bones' should be properly supported when you sit on your wheel saddle. The ideal position volition depend on the style of cycle. See our bike fitting guide for more.

The frame size is crucial to your fit on a bike. If your bike's frame is also large or minor then the bicycle will be uncomfortable and difficult to ride. Encounter our bike size nautical chart to find the right size bike for you.

An actress small or XS size wheel is platonic for a 5' tall woman. An XS size bike is equivalent to a 48cm road bike and a xv inch mount or hybrid cycle. See our cycle size chart for more.