Head shock absorber, generally referred to as head fork or front fork by Hong Kong motorcycle enthusiasts, is one of the suspension equipment of motorcycles. It connects the body and the front wheels, which directly affects the comfort of drivers and passengers, and also has a direct impact on the rider's driving habits-both to increase the adhesion of the tires to the ground., Can also maintain the stability of the body. Just as the engine needs oil to lubricate and protect it, the front fork is also assisted by front fork oil to make it perform better. Like motor oil, suitable front fork oil is even more powerful for strengthening suspension equipment, and like motor oil, there are times when it is "expired" or "inappropriate". Today, let the helmet King disassemble the mystery of the head fork oil with everyone!