If the motorcycle tires are such as the feet of a track and field runner, the suspension system ("shock absorber" as the saying goes) is equivalent to the knee joint, which functionally keeps the wheels in contact with different types of ground and supports the body when driving. Suspension settings have a very obvious impact on motorcycle handling performance and driving comfort. When new cars leave the factory, automakers generally temporarily set up the suspension system according to the preset average value; however, the weight of different drivers, the road conditions they often face, and the driving style are different, so it is best to make a personalized adjustment after buying a car to ensure the integration of people and cars! Wearing a helmet, the purpose of this article is to briefly explain the basic concept of adjusting the Preload. If you want to go a little further, the safest way is of course to contact the Helmet King garage and a team of professional masters will help you!