Oil/gas filled damper for normal and sports use. Increases comfort and safety as a result of ideal response characteristics. Infinitely variable spring pretensioning, 22 settings for the traction level and 22 settings for the nominal pressure. High and low speed range. With TÜV parts approval certificate. Wilbers products can refurbish the suspension strut. Other options: for an extra charge, all suspension struts are available with height adjustment and/or hydraulic spring pretensioning from our conventional shops.