The third step of the series is enriched by the hydraulic spring preload, which is easy to use whenever necessary to tailor the set-up to suit the load. TECHNICAL FEATURESGas (Nitrogen) pressurized shock absorber with oil/gas floating piston. Steel body, Ø 14 mm steel rod with low friction surface treatment and CNC machined billet Ergal heads. ADJUSTABLE IN: Hydraulic Spring preload: stepless Rebound: 7 clicks Adjustable length: 8 mm INCLUDED IN THE PACKSpecific mounting instruction, Suspension manual POSSIBILE ACCESSORIESErgal hand-wheel for preload adjuster