Air suspension
![Pneumatic spring on a semitrailer](/Images/godic/202502/03/Pneumatic_spring5541.JPG")
![VW Polo with fully lowered air suspension, note camber of rear wheels coupled with 'fitment' of the rim](/Images/godic/202502/03/VW_Polo_airbagged5542.jpg")
![Cut-way of a deflated commercial truck air spring bellows. 'A' is the rubber bellows element](/Images/godic/202502/03/Air_spring5542.JPG")
Air suspension is a type of vehicle suspension powered by an electric or engine-driven air pump or compressor. This compressor pumps the air into a flexible bellows, usually made from textile-reinforced rubber. The air pressure inflates the bellows, and raises the chassis from the axle.