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 (A) and a working space (B) 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 (A), 1.4 a device for changing a preload of the rebound stage damping valve in a manner dependent on a frequency (F) of the piston rod movement, wherein the device 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 (A) and a working space (B) 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 (A), 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 (A), 1.4 a device for changing a preload of the rebound stage damping valve in a manner dependent on a frequency (F) of the piston rod movement, wherein the device 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 . <EOS>