Xiamen City Bola Sports Goods Co., Ltd. is specialized in Hardware, equipment, industrial products since established in 10 years ago.So far,our company has established its branch companies in major cities throughout the country.Formed in Xiamen,Fujian,China,City area,Xiamen City,Fujian Province,China as the center, the radiation sales system and service network.Details:2. Whether it is a mountain bike or a road bike, the carbon fiber velo is the most intimate contact with the human body, and it is also related to the rider's comfort during the whole journey, so in addition to selecting the carbon fiber velo suitable for his riding habits, It is also important to adjust the appropriate position; there is a saying that the top bike has a plus effect, but the carbon fiber velo position can be adjusted to reflect the performance and value of the car. First, the basic length of the body: Because each person's height, size and riding posture ratio is different, before adjusting the carbon fiber velo, just like selecting the frame or the whole car, in addition to measuring the height and weight of the rider, The amount of shoulder width, arm length, length, height, relaxed upper body forward and extreme upper body forward can be obtained. 1. The shoulder width on both sides; 2. The length of the arm from the underarm to the tiger's mouth; 3. The height from the perineum to the sole of the foot, if the level is used, the amount will be more accurate; the shoes should be taken off when measuring; 4. Length The amount is measured from the amount of sternum to the sole of the foot. 5. The gap between the relaxed upper body and the upper body is the range in which the carbon fiber velo can be adjusted before and after. Second, adjust the carbon fiber velo, seat tube and handlebar; after obtaining the basic data of the rider, the relevant data can be obtained through the formula.