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Home > Home > Products > Shocks > Bilstein > Bilstein Monotube-Technology

Bilstein Monotube-Technology

Item Code: Bilstein Monotube-Technology

BILSTEIN’s high performance monotube gas pressure shock absorbers are installed as standard equipment in both motor sports vehicles and production sports cars. The superior handling that the BILSTEIN system provides speaks for itself.

The monotube design allows heat in the shock absorber to dissipate quickly and efficiently. The large digressive working piston gives a perfect setting and keeps flow pressures low. BILSTEIN’s revolutionary gas pressure system uses a separate chamber of nitrogen gas to compress the hydraulic fluid, preventing cavitations.

The damping forces defined by BILSTEIN’s engineers are not diminished by cavitation or heat, therefore providing consistent, fade-free comfortable performance in all driving conditions.


Heat is one of the major detriments to the performance and longevity of any shock absorber. Conventional designed shocks trap the heat within the shock body and preventing adequate dissipation, making them prone to heat build up, fade and eventual failure.

Bilstein's technically superior, patented monotube gas charged design allows the excessive heat from the oil to transfer to the outer surface of the shock body and dissipate more efficiently. The dividing piston also permits the oil to expand as heat builds, preventing aeration (foaming) and viscosity loss. This allows the shock to maintain full damping characteristics as temperatures rise.

Superior Monotube Design & Fabrication

The tube of a Bilstein Gas Pressure Shock Absorber is fabricated using a special extrusion method. This process achieves an extremely tight peak-to-valley tolerance and maintains consistent wall thickness. Bilstein's seamless monotube design provides superior tube strength while maximizing heat dissipation and shock life.

Digressive Working Piston Assembly

The piston head design allows independent tuning of the compression and rebound damping forces to provide optimum ride comfort and performance without compromise. It features fewer parts than most conventional twin tube and so called "road sensing" shock designs. This simple, yet exceptionally functional digressive design contributes to the extreme durability and long life of Bilstein Shock Absorbers.