Set rear twin-shocks for Classic & Custom bikes, of very easy use and adjust for the road rider to get a right set-up. Computerized engineering systems are used to design, project and produce all the components and only materials of high-end technical and mechanical characteristics are used.Single-way adjustable hydraulic CylinderNitrogen gas N2 with full floating piston for gas/oil separating.Piston shaft D.16 made from high tensile alloy Steel, hard Chrome coated.Spring Preload by millimetric rings.Spring in Cr-Mb alloy Steel, available in different rates.Fully rebuildable and revalveable.All components, machined from Alu alloy with anodising treatment.High precision machining with the objective of improving comfort, safety, and setting.The Piston shaft D.16 is cmade from high tensile alloy Steel, which is hard Chrome coated for durability. The Spring is constructed using Cr-Mb alloy Steel, available in different rates. It is setup to your specifics rates, taking into account bike we