Sports and FitnessEquipment

Table: The size of the bike under the growth

A few decades ago, all went to the "Urals" though the city, though the village. The choice of a bicycle is also easy: just to get the pedals when you sit. It was not always convenient. At present, everything has changed very much. There were bicycles urban, highway, mountain, BMX and others. It's much harder to choose now. It is necessary to take into account the supposed style of riding, places. And to choose the right frame size, you need to consider your growth.

Rostovka

Under the terms of the rostovka understand the dimensions of the frame of the bicycle. The table usually reflects this parameter in inches. Although there are letter and centimeter signs. What is needed to correctly determine the height of the frame? The most important thing is to know your growth. Only accurately, and not with a spread of 10 cm. The rest will help orient the table of sizes of bicycles under growth.

Dimension grids

Depending on the manufacturer and the type of riding, the rostovka will differ. Therefore, before buying, you need to familiarize yourself with the correspondence table for each particular model. This is especially true when shopping in online stores, because there is no way to try on this.

Universal table "Bicycle size"

Guided by this table, it is not difficult to choose the size of a bicycle. But it is suitable only for classical frames. If you choose a mountain or BMX-bike you will have to focus on other figures.

Frame size in inches Frame size in centimeters Conditional letter designation The growth of a bicyclist in centimeters
13 33 XS 130-145
14 35.6 XS 135-155
15 38.1 S 145-160
16 40.6 S 150-165
17th 43.2 M 155-170
18 45.7 M 165-175
19 48.3 L 172-180
20 50.8 L 178-185
21 53.3 XL 180-190
22 55.9 XL 185-195
23 58.4 XXL 190-200
24 61 XXL 195-210

Formula for calculation

By simple calculations, you can calculate the optimal size of the bike for growth. The table is not needed in this case. First you need to measure the height of the perineum. This is the distance from the heel to the groin. It's good if someone helps. Then the result will be more accurate. The received number (remains in cm) is multiplied by 0.66 if they are going to purchase a bicycle of the highway type. If you need a mountain, then the coefficient is taken a bit less - 0.57. The resulting numbers indicate the height of the frame in centimeters. To translate them into inches, you need to divide the result by 2.54. In general, the formulas look like this:

For the road bike: VP * 0.66 / 2.54.

For the mountain: VP * 0.57 / 2.54.

The calculation method is especially relevant when ordering through the online store, unless the supplier has created a table of bicycle sizes.

A few recommendations

  1. For high-speed driving use bicycles with a frame for larger size.
  2. Buy 1 bike for two can only be if the difference in the growth of skiers does not exceed 10 cm.
  3. To perform tricks, bicycles of a lesser size are suitable (approximately 2 sizes).
  4. Elderly people are more convenient to ride on an iron horse with a small frame. The same goes for full bicyclists.
  5. When buying a bike you need to think in advance where it will be used.
  6. It is optimal to buy a bike with a rifle in size or slightly smaller.

Test fitting

If the preferred dimensions of the bicycle frame are still not clear, the table in this also did not help much, then you need to buy in a store or on the market. Here usually provide an opportunity to ride and feel on an iron horse. Than must definitely take advantage. This will avoid many problems in the future, including injuries.

To make sure that the frame is not large, you need to put a bike between your legs. Shoes should be such that the buyer is going to ride, knees are straight, the back touches the saddle. Between the crotch and the frame there should be a distance approximately equal to the width of the palm. For roadways a little less: 5-10 cm, for mountainous and BMX more: 10-20 cm.

Ride a bike with a frame touching the groin, traumatic. When jumping off, the probability of a blow against the upper pipe is high.

Choosing a bicycle for a child

Here there are some fundamental differences. First, you do not need to accustom the child immediately to an adult bicycle or buy it for growth. This is fraught with trauma. The child will not be able to reach the pedals freely. Forced to constantly stretch, it can fall or slide off the seat and hit the frame. Also, he does not have enough strength to press the brakes, because they have large handles. And they are pressed too tightly.

Secondly, it is better to choose children's bicycles not only according to the size of the frame, but also by the diameter of the wheel. In the end, the distance to the frame is regulated by the height of the saddle and the steering wheel. This will help orient the table "The size of a bicycle for a child."

Child's height

Age

Wheel diameter (in inches)

75-95

1-3

Less than 12

95-101

3-4

12

101-115

4-6

16

115-128

6-9

20

126-155

9-13

24

Rostovka bicycle for women

In this case, the process does not differ from the choice of a bike by a man. Everything determines the height of the frame. It can be understated, but the need for this will arise only if the lady is going to skate. The above table "Size of the bicycle" will serve as a guide.

Due to anatomical features, women need to give preference to models with a wide saddle and a narrower steering wheel.

Wheel size

This parameter is important not only for children, but also for adults. As the table clearly showed, wheels up to 24 inches in diameter are considered childish. All that is more - belongs to the category of adults. Although for people of moderate height, teen wheels from 20 to 24 inches are quite comfortable.

It's still a matter of taste - the dimensions of the wheels of bicycles. The table is therefore not needed. Here everyone is guided by their feelings.

On the highway models, the most common figure is 28, but on the mountain - 26. This is due to the specifics of skiing. On the asphalt, you can ride with a breeze, which makes it possible to make wheels of large diameter, and on complex mountain paths you will need sharpness and maneuverability.

Depending on the weight

If a cyclist weighs more than 100 kg, he can be offered a bike with a large frame size. The fact is that the models from L and higher manufacturers make a reinforced frame designed for taller people. Do not make this very common mistake. No wonder there is a special table. The size of the bicycle in it is specified not by chance. It is better to look for reinforced frames from other manufacturers, but of the appropriate size. When riding on a too high bike, the muscles will become very tired, you will have to constantly reach for the pedals, and when you jump, the risk of a crotch on the frame increases. As a result, from the ride there will be no pleasure.

BMX Bicycle Size Selection

Tales for performing tricks are not measured like all the others. They call the length of the upper tube of the frame. It is measured by the English measure of length - inches. For someone it is more convenient to have a long frame, someone like short one more. There are no generally accepted rules and strict proportions in this case, it all depends on personal preferences. Therefore, here the size of the bicycle frame and the growth are quite different. The table reflects this relationship.

The growth of a bicyclist in centimeters Frame size in inches
140-150 19.5
150-170 20.0
170-180 20.5
180-190 21.0

Saddle width

This parameter is often bypassed for some reason. And completely in vain. With improper saddle selection, all the pleasure will come to naught due to constant discomfort. After walks, scrapes will be formed, and frequent driving will be disturbed by persistent pain in the pelvic area. When landing on the right saddle, the person will rely on him with sciatic tubercles (the most protruding parts of the buttocks). You can clearly see their location on the tracks on the sand. You can even specifically measure the distance between them to properly pick up the saddle. Do not be guided by the principle "the wider, the better." Otherwise it will be inconvenient to work with your feet.

That's all you need to know about choosing bicycles and their rarsts. This knowledge will help you navigate the diversity of bikes.

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