To adjust the air pressure, you need to use a special cylinder for the front fork. If you do not have a professional air cylinder, please do not vent the air at will. Name: Mountain bike quick release pneumatic shock absorber front fork. Version: Shoulder control (straight tube).Stand pipe diameter: 28.6mm-30mm. Upper fork pipe diameter: 32mm. Lower fork tube diameter: 38mm. The function of the air pressure valve: the soft and hard strength of the shock absorber can be achieved by adjusting the air pressure. The lower the air pressure, the softer the front fork, which is suitable for bumpy roads; the higher the air pressure, the harder the front fork.
Suitable for riding on flat roads.