A mono chamber shock absorber type, nitrogen pressurized, supplied with a oil/gas separating piston. Shock body and rod made of high resistance treated steel. Upper and lower attachments billet machined CNC from aluminium alloy. Adjustment: - Spring preload with a micrometric ring - Rebound (with continuous adjuster wheel) Version “11” (available for any motorcycle models) is supplied also with length adjustment, for an easy right height change. N.B: The displayed product is generic for WZE. Some characteristics (eg. attachments) can differ depending on the model application. Compatible with: - Aprilia: RS 125 -05_M