Abril-Mayo 2026

REPORTAJE

1. Introduction: Why bike sizing matters

Choosing the correct bike size is one of the most important steps when bu- ying a bicycle. A properly sized bike im- proves comfort, efficiency, and safety. When a bike fits you well, you can ride longer distances with less fatigue and reduce the risk of injuries.

A bike that is too small often causes cramped positioning, forcing your knees too high and your back to bend excessively. This can lead to knee pain, wrist discomfort, and poor pedaling efficiency. On the other hand, a bike that is too large makes it difficult to control the handlebars and reach the pedals comfortably, increasing the risk of losing balance.

The correct bike size allows your body to stay in a natural riding posi- tion, where your joints move smoo- thly and your weight is distributed properly.

2. How bike size is determined Bike sizing is mainly based on two body measurements:

HEIGHT

Your total body height gives a general starting point for selecting a bike size.

INSEAM (most important)

The inseam is the distance from the BIKE SIZING GUIDE floor to your crotch while standing straight with your feet slightly apart. This measurement is more accurate than height alone because it determi- nes how high the frame can be while still allowing safe standing clearance.

HYBRID BIKES

Hybrid bikes combine road and moun- tain bike features. Their sizing is usua- lly flexible and closer to mountain bike sizing.

CITY BIKES

City bikes are designed for comfort and upright riding. They often have step-through frames and are more

• Inseam (cm) x 0.57 = approximate forgiving in size selection. mountain bike size.

BASIC INSEAM FORMULA: •Inseam (cm) x 0.66 = approximate road bike frame size.

4. General bike sizing chart ROAD BIKE SIZING

•150-160 cm →47-49 cm frame •160-170 cm → 50-52 cm •170-180 cm →53-55 cm •180-190 cm →56-58 cm •190+ cm → 60+ cm

These formulas are used by many bike manufacturers as a starting gui- de.

3. Types of bikes and sizing differences

Different bikes have different sizing systems:

MOUNTAIN BIKE SIZING •150-160 cm → XS (13-14") •160-170 cm →S (15-16”) •170-180 cm→M (17-18") •180-190 cm →L (19-20") •190+ cm →XL (21-23")

ROAD BIKES

Road bikes focus on speed and effi- ciency. They usually use frame sizes in centimeters (cm). The riding position is more stretched out, so precision in sizing is important.

5. Fit check: How to know if a bike is right for you Even if a bike matches your height ran- ge, you should always test the fit:

MOUNTAIN BIKES Mountain bikes use S, M, L, XL sizing or inches. They are designed for con- trol and stability on rough terrain, so they usually allow a slightly more re- laxed fit.

STAND-OVER HEIGHT

When standing over the bike frame: •Road bike: 2-5 cm of clearance

Los Tiempos Abril-Mayo 2026

• Mountain bike: 5-10 cm of clearance This ensures safety when stopping quickly.

REACH TEST

When holding the handlebars: •Your arms should be slightly bent •You should not feel stretched or cramped

PEDAL POSITION When pedaling:

•Your knees should have a slight bend at the bottom of the pedal stroke •Your hips should not rock side to side

6. Riding comfort adjustments Even if the frame size is correct, small adjustments improve comfort: •Seat height adjustment for proper leg extension

⚫Handlebar height for posture control •Saddle position (forward/back) for balance

A professional bike fitting can further improve performance.

7. Final recommendations If you are between two sizes: ⚫Choose the smaller size for better control and agility

⚫Choose the larger size for stability and long-distance comfort

Always test ride before buying if possi- ble, since body proportions vary from person to person.