How to choose a good bike, first, the frame quality is good, the second, is composed of good bicycle parts, third, assembly technique is good.After these three factors to combine scientifically, can be regarded as a good bike.1, the frame1). What is frame?Frame is equivalent to the skeleton, the fra Read More

After understanding the principle and structure of the helmet, let us start with the performance of the helmet and see what kind of helmet is a good helmet. Read More

How time flies,on the occasion of the spring season,kids need to study at home,are your kids still playing games at home? NO！NO！NO！NO！NO！NO……Why not put down your phone and go out by riding a bike? After all, how can you grow taller without getting enough sunlight? How can you increase your resista Read More