27.5 or 29 inch: MTB wheel sizes in comparison There is a clear trend in MTB wheel sizes: 29-inch wheels over 27.5-inch wheels across the board. Bu...
6 bike regulation details to let you become a cycling veteran
1. Cushion angle
The angle of the cushion should be roughly horizontal, you can use a long ruler on the cushion, and then use your eyes to observe whether the level.
Cushion angle can not be too rigid, if you cushion position and angle are not suitable, it is easy to cause pain in the crotch.
You can choose to adjust the front part of the cushion, up slightly cocked a few centimeters, which helps on the cushion, so that the body is flexible to adjust the posture, to avoid allowing the crotch to cause too much damage.
2. Cushion height
The height of the cushion is closely related to the knee and foot pedal force, cushion high easy to make the knee injury, easy to produce accidents, too low easy to make the force, long-term damage to the legs is very obvious.
So, how to set the cushion height? Is the crotch height * 0.883 = the distance from the seat to the center of the five-way axis, and then in the foot on the pedal, the body to do in the cushion, slowly adjust the cushion until the lowest point when the knee is only slightly bent, so the cushion height is considered suitable. After proficiency, you can slowly reduce the height.
Note, the cushion should not be pulled too high or too low, not only will have a serious impact on the knee, but also very easy to accident.
3. Handlebar height
The height of the handlebars should match your sitting position under normal circumstances, should not be too close to the body, and should not be too high, can make the upper arm muscles with force, the weight will be evenly distributed in the handlebar, saddle and pedals, if the handlebar height and position set standard, it is easy to cause lumbar spine soreness.
It is worth noting that the handlebars should not be too short or too long, too short will make the car in the operation of light, easy to disrupt the rhythm of riding, too long to control the car will be unstable, resident force is not enough, a waste of energy.
4. The angle of the brake handle
The brake handle is generally set at an angle between 35°-45°, which will not affect the natural grip of the hand. Remember, braking is the most critical part of bicycle safety, so the brake handle must be placed in the best, most correct and natural position.
5. The position of the brake handle
The position of the brake handle can be adjusted according to the size of your palm, the length of your fingers, basically the second section of the index finger and middle finger can be placed firmly on the brake handle even if you can, if it is a woman with small hands, you must pay attention to adjust the position.
6. Handlebar width
The width of the handlebars should not be smaller than the shoulders, in addition to the convenience of releasing power also helps breathing, but also to avoid wasting force and reduce the pressure on the waist.