A wheel suspension unit is disclosed. The wheel suspension unit includes a stabilizer having a first end and a second end, a wheel suspension element, and a piston-cylinder unit. The piston-cylinder unit connects an end of the stabilizer to the wheel suspension element. The piston-cylinder unit is a roll damper. The roll damper includes a plurality of roll damping valves arranged in a piston of the roll damper. Each of the plurality of roll damping valves has a non-return valve and an adjustable throttle valve. The non-return valve is arranged in series with the adjustable throttle valve.