The Matris SDR Steering Damper features adjustable hydraulic operation derived from Racing applications. This item improves the control of the front axle, damping all the oscillations and the rapid setting changes.Titanium external cylinderTwin tube system with Al 7075 Aluminium alloy coaxial internal cylinder with oxidation treatmentHigh tensile alloy steel piston rod with hard chrome coating, lapped finished for an effectively zero stiction and PVD TIN (Titanium Nitride) surface treatmentHydraulic brake adjustment ring nut by calibrated holes with 16 active and micrometric points of hardness adjustmentAluminium alloy front rod-end with chromium-plated Steel/PTFE/Bronze wheel