The alloy housing has an outside thread to adjust the damper spring. The upper alloy shock absorber seal is equipped with a ventilation boring which makes the refilling if the damper easier.
Completely new is the lower shock absorber seal with the plastic guiding bushes for the damper piston rod and for an easier chaning of the o-rings. The alloy adjusting ring has a socket for the spring collet and an adjusting mark.
The shock absorber 2004 has an diameter of approx. 16 mm. Suitable for all damper springs with approx. 17 mm inside diameter.

Installation length extended 129 mm
Travel 38 mm