Cycling is one of the sports with the greatest growth, development, and organization in Peru. Many people are joining this trend and are looking to acquire a new bicycle; for all those who are thinking of starting in this sport, they must take into account that when buying a bicycle, choosing the correct size is very important, as this will lead us to enjoy the handling more, have greater comfort, and achieve better performance; Additionally, we will avoid pain and injuries during handling.
Photo: evistaazimut
Often, the height of the cyclist is considered a determining factor; while it can provide a reference for the size, it is more important to consider the inseam and forearm measurements when choosing the correct bike size.
Photo: Tux.at
The size of the mountain bike is usually expressed in inches, with the most important measurement being the height of the seat tube, which determines the rest of the frame dimensions and the bike size.
Photo: rompiendoreglas.com
In the case of a road bike, the size is usually expressed in centimeters, again taking the vertical tube of the frame as the most important measurement.
Photo: rompiendoreglas.com
Urban bikes should be more comfortable, allowing for a more upright posture, with the handlebars positioned above the saddle. This setup also allows for comfortable foot placement on the ground, as stops due to traffic or pedestrians will be more frequent.
Photo: rompiendoreglas.com
Although it is possible to conduct a detailed study of the size and positioning on the bike, here we will show you a way to determine the size and adjustment of the bike using only two measurements:
- Inseam measurement.
- Forearm measurement.
Photo: Solobici.es
It is important to consider that the size of the bike may vary between two different manufacturers, as some measure the size from the pedal axis to the seat tube, while others measure it to the center of the top tube, resulting in a difference of more than an inch from one manufacturer to another.
Many manufacturers label their bike sizes using letters; it is usually easy to access the manufacturer's website to obtain the equivalences of their letter sizes with the measurements of the vertical tube that determines the actual size.
Blog Author
DeAventura Team





