Single chamber pressurized gas compensated (Nitrogen) shock absorber, with oil/gas piston separator
XZE 21 - CZE 21 have body in Anti-friction trested steel, rod with low friction bushes, and head in Ergal worked from a single block by CNC machine.

Setting adjuster:
- Hydraulic spring preload
- Rebound


N.B: The product shown in the photo is generic for XZE 21. Some characteristics (eg. attachments) can differ depending on the model application.