In the near future, the innovation of china's domestic bicycle culture will become a powerful driving force to lead the development of the bicycle industry. the author believes that this view is not new. at the first china bicycle cultural forum, the participants not only discussed the generation of bicycle culture. essence essence

Bicycle water bottles are mainly made of plastic, and the bottom is printed with a triangular mark, which is a symbol representing plastic recycling. There are numbers from 1 to 7 marked in the triangular box. Each number represents a different plastic. According to these recycling signs, you can know which resin the kettle is made of. If there are multiple ingredients, it means that it is a product. the main and basic material. Which number is inside the triangle at the bottom of your bike bottle?

Cycling is like other sports, that is, cramps will occur. Although the real cause of cramps has not yet been determined, it is generally believed that it is caused by many factors. In this issue, we will analyze the reasons for cramps and how to deal with them.

Many people believe that mountain bikes are safer and more reliable than road bikes. But in fact, the reliability and safety of road bikes are not bad, and the tire puncture rate is not very high. The reason why everyone has these negative views on road vehicles is nothing more than the following reasons: First, the quality of domestic road vehicles is not good enough; second, the tire pressure is too low; third, subjective thoughts are at fault.

What combination is used for MTB front and rear chainrings when in mountain? Mountain road is uneven, and it is unavoidable to go up and down. Therefore, it is necessary to adjust the chainring to adapt to riding road conditions. If the rear chainring cannot cope with the changes, it is necessary to consider changing the front gear. If only the front gear is changed, the gear ratio is often too large, and the rear chainring must be changed to reduce the pedaling force.