It is a regenerable oleo gear with bi-lamination piston and baffle plate compensation. Ø 36 mm piston with two independent lamellar packs, one in extension and one in compression; lamellar system made of harmonic steel with leaf spring configuration. LUBRIFLON-PTFE B70 piston runner guide (bronze-loaded modified compound). Sliding on GUIDA DU guide bushing (a composite material obtained by sintering a layer of spheroidal bronze on a mild steel strap properly treated, followed by impregnation and coating with a mixture of PTFE + PB). Polyester resin SEALTHANE grade 9345 scraper ring. 38NCD4 alloy steel shock absorber rod ø 14 mm, hardened and tempered with hard chrome deposit thickness 25/30 microns (superficial hardness of the untreated shaft HRC 55/60). PIAGGIOPIAGGIO QUARTZ 50 2T LC PIAGGIOPIAGGIO SFERA 50 2T PIAGGIOPIAGGIO SFERA 75 2T PIAGGIOPIAGGIO SFERA RESTYLING 50 2T PIAGGIOPIAGGIO SKIPPER 125 2T PIAGGIOPIAGGIO SKIPPER 150 2T PIAGGIOPIAGGIO ZIP 125 4T (LEADER) PIAGGIOPIAGGIO ZIP SP 50 2T LC <-2000 PIAGGIOPIAGGIO ZIP SP 50 2T LC 2001-> VESPAVESPA ET2 50 2T <-1999 VESPAVESPA ET2 50 2T 2000-> VESPAVESPA ET4 125 4T VESPAVESPA ET4 125 4T (LEADER) VESPAVESPA ET4 150 4T (LEADER) VESPAVESPA LX 125 4T euro 2 2006->2007 (LEADER M441M) VESPAVESPA LX 125 ie 4T euro 3 2007->2011 (LEADER M443M) VESPAVESPA LX 150 4T (LEADER) VESPAVESPA LX 150 ie 4T euro 3 (LEADER) VESPAVESPA LX 3V 125 ie 4T euro 3 2012-> (M687M) VESPAVESPA LX 3V 150 ie 4T euro 3 2012-> (M688M) VESPAVESPA LX 4V 50 4T euro 2 VESPAVESPA LXV 125 ie 4T euro 3 (LEADER) VESPAVESPA S 125 4T euro 3 2001->2007 (LEADER M444M) VESPAVESPA S 150 4T euro 3 2007->2011 (LEADER M445M) VESPAVESPA S 3V 125 ie 4T euro 3 2012-> VESPAVESPA S 4V 50 4T euro 2 (C386M) VESPAVESPA S 50 2T euro 2 (C381M)