Nivomat shock didn't think there were any left. This shock is self adjusting and takes a few k's to adjust its self . It is kind of cool, as it will automatically adjust to loads or pillion requirements. If any faults occur with the unit do not attempt to pull it apart as it requires a specialist, if you can find one. I would love one but I have never seen one for sale in the last 10 years.
Regards Martin.