Vibration damper comprising 1.1 a damper tube, 1.2 a piston rod which is able to be moved in an oscillating manner with a rebound stage movement out of the damper tube and with a compression stage movement into the damper tube, wherein the damper tube is subdivided into a piston rod-side working space and a working space remote from the piston rod, 1.3 a valve arrangement which is able to be moved along with piston rod, comprising 1.3.1 a valve body, 1.3.2 a rebound stage damping valve, which is active during a rebound stage movement of the piston rod, 1.3.3 a compression stage damping valve, which is active during a compression stage movement of the piston rod, 1.3.4 a first pressure space, which is hydraulically connected to the piston rod-side working space, 1.4 a device (7, 8) for changing a preload of the rebound stage damping valve in a manner dependent on a frequency of the piston rod movement, wherein the device (7, 8) comprises an actuation element which is able to be subjected to a pressure which, as a result of a rebound stage movement of the piston rod, is established in a frequency-dependent manner in the first pressure space, said actuation element being able to be adjusted such that the preload of the rebound stage damping valve is increased, characterized in that 1.5 the device for changing a preload of the rebound stage damping valve comprises a lever element, wherein, 1.6 by way of the lever element, an adjustment movement of the actuation element is able to be converted into an additional preload force which increases the preload of the rebound stage damping valve. 1.1 a damper tube, 1.2 a piston rod which is able to be moved in an oscillating manner with a rebound stage movement out of the damper tube and with a compression stage movement into the damper tube, wherein the damper tube is subdivided into a piston rod-side working space and a working space remote from the piston rod, 1.3 a valve arrangement which is able to be moved along with piston rod, comprising 1.3.1 a valve body, 1.3.2 a rebound stage damping valve, which is active during a rebound stage movement of the piston rod, 1.3.3 a compression stage damping valve, which is active during a compression stage movement of the piston rod, 1.3.4 a first pressure space, which is hydraulically connected to the piston rod-side working space, 1.3.1 a valve body, 1.3.2 a rebound stage damping valve, which is active during a rebound stage movement of the piston rod, 1.3.3 a compression stage damping valve, which is active during a compression stage movement of the piston rod, 1.3.4 a first pressure space, which is hydraulically connected to the piston rod-side working space, 1.4 a device (7, 8) for changing a preload of the rebound stage damping valve in a manner dependent on a frequency of the piston rod movement, wherein the device (7, 8) comprises an actuation element which is able to be subjected to a pressure which, as a result of a rebound stage movement of the piston rod, is established in a frequency-dependent manner in the first pressure space, said actuation element being able to be adjusted such that the preload of the rebound stage damping valve is increased, characterized in that 1.5 the device for changing a preload of the rebound stage damping valve comprises a lever element, wherein, 1.6 by way of the lever element, an adjustment movement of the actuation element is able to be converted into an additional preload force which increases the preload of the rebound stage damping valve.