The frame size is determined in inches and are specified as numeric or alphabetic designation. Frame 13-14 inches corresponds to size XS, 14-16 inches correspond to the size of S, 16 to 20 inch fit the size M, 18-22 inch – size L, 20 "- 24 "– size XL 22 "- 24 " – size XXL.
You can determine the size based on different distances of the frame. It may be the distance from the top tube to the centre of the carriage, the distance from the middle of the carriage to the end of the pipe under the saddle, and also this can be the length of the seat tube. Since most manufacturers indicate the approximate dimensions you should first focus on personal experience, having tasted the convenience of the bikeand myself.
Correctly identify a bike frame snap. Try to stand over the bikeom, sit on it, pedal, and if it's possible to ride and slow down.
The bike fits you only when you are performing these actions, do not feel the slightest discomfort – the legs are easy to get how to pedal and to the ground, the body conveniently tilted relative to the steering wheel, you can easily slow down, and so on. Standing on the ground, make sure that from the frame top tube and the crotch was at least eight inches.
If you are going to drive at high speed, choose a low-slung, but if at low speed high. Also the bike fits you for growthif you bent the arms freely to get the helm without taking an uncomfortable position, too much bending over or leaning back from the wheel.
Advice 2 : How to choose a bike for girls
Women are different from men's anatomical structure - they have a shorter torso, the shoulders already, less than arm length, the smaller the brush, the wider the pelvis. These features take into account Bicycle manufacturers when they create models for girls.
Sports stores are a line of bicycles specifically designed for women. These models are immediately apparent because of the structure of its frames is greatly reduced. Now this structure of the frame no particular reason, this design was created in the days when women did not wear trousers, but on a bike with a conventional frame in a dress not a train. Now the girls rarely go on a trip in a dress or skirt, because it is much easier to wear shorts or jeans. On the other hand, on a bike with a low frame much easier to sit down - it is not necessary to raise high the leg.
In addition to the low frame, women's bike models are equipped with a narrower handlebar, shorter rod, the wider the saddle. The distance between the wheel and the brakes levers manufacturers are trying to do less. Finally, the women's bikes are just beautiful - they have a more rounded shape, bright colors, interesting prints. If you need a bike for leisurely trips around the city should not suffer with the male model, feel free to take a female model and enjoy the care.
On the other hand, understated frame is strongly reduced stiffness, sport Biking with it. Actually on this bike it will be difficult to travel a great distance, so is not suitable it and as a tourist. Based on this, the girls, wishing to buy a bike for recreation, more suitable male model. Usually men's bikes small sizes are ideal for girls.
Otherwise, the choice of bike for girls is no different from choosing a bike for men: pick up the bike for your riding style, try to choose a model known companies with quality equipment, be sure to take it for a test drive in the store. If the bike is inexpensive, it must be a minimum of extra fixtures like rear shock, foot pegs, fenders, because these items will have a very low quality and will soon fail, better to buy a cheap bike with minimal equipment, as all resources in the production invested wisely.