The same size across different brands can fit very differently and the number may not correlate to a common measurement. You might ride a size 54 cannondale road bike but a size 54 diamondback road bike may feel quite different.

Custom Bike Fitting Roswell Bicycles
Body measurement to take to fit bicycle. These numbers will be an important part of the design of your bike frame so take your time and make sure these measurements are as accurate as possible. Video showing how to take measurement. For beginner cyclists and athletes. 3 key measurements every cyclist should know. This article is focused on road bike fitting and not bike sizing. A bike fit will also provide all your more detailed measurements.
Mountain bikes come in standard sizes s m l and are generally similar across brands. With that said fitting a road bicycle works best when you start with the right size bike or at a minimum. A bike that is suitable size and shape for the rider will allow an optimal fit to be achieved. Taking measurements from your existing mtb to better fit your new bike. A bike the wrong size or shape does not allow for an optimal fit position to be established. The measurements of your body are one of the key elements taken into account in frame design.
Setting up your road bike appropriately so that you have the correct road bike size for you is important to achieve maximum efficiency and comfort whilst out. Listen to your body. Ideally youll know your bike size before you buy. To calculate your bike frame size take your inseam in centimeters and multiply it by 0575 for mountain bikes 0665 for road bikes and 0645 for trekking bikes. Most people have bikes that dont fit perfectly but that are at least in the ballpark and if the body measurements i have on record dont jive with your bike numbers this signals me to double check all your numbers. Use these numbers to perfect your bike set upand protect your body from injury by molly hurford.
You can have two bikes with the same frame size but differing stand over height. How to fit a road bicycle overview. More about the triathlon fit calculator. The traditions of road riding and our three styles of road fit. Before your frame is designed you will need to make careful body measurements. Nbda bicycle owners manual warnings on fit pdf version here.
Often these two descriptions become intertwined but they are completely different. The dimensions of your current bike are important for a few reasons. The first is as a double check on your body dimensions. Get a perfect bike fit. If you need to convert your measurements to inches divide them by 254. A bike fit is all about adjusting the bike to suit your body not adapting your body to suit the bike.
Our three styles of fit for mountain.