The swing arms connect the wheel hubs to the car's body. Together with the silent block bushes, made of rubber and metal, they damp the vibrations transmitted from the road surface onto the body of the car. Driving over rugged surfaces accelerates the wear of the swing arms and their components, i.e. the bushes and the pin. In addition to lack of comfort, faulty swing arms affect your ability to control the car, make driving less smooth and accelerate the wear of the other suspension components, such the track rod ends, the link rods and the other swing arms.