Shock absorber rear -YSS Pro-X, 285mm- Piaggio 50-180 2-Takt, Vespa ET2, ET4 125 (ZAPM04, ZAPM19), Piaggio SKR125 (CSM1T), Gilera Runner FX125, FXR180 (ZAPM08), Runner 50, Stalker50, NRG50, TPH50, Storm50, ZIP50, ZIP125 (ZAPM25)

Rear shock absorber -YSS Pro-X, 285mm- Piaggio 50-180 2-stroke. The Pro-X series is the entry into the world of YSS shock absorbers. Thanks to the Double-Action system, the shock absorber can be easily adjusted in preload from the outside. The progressive damping and the very solid construction guarantee a stable handling on the road.

Attention, when mounting on Piaggio 125-180cc vehicles, the silentblock bushing must be shortened! The fork width is 33.5mm for this shock absorber. The length of the bushing of the 125-180cc models is 35mm. Therefore the bushing should be shortened 1mm on each side._{AI-translation}