Clutch -NEWFREN Vespa Cosa2- 4-disc original replica clutch from NEWFREN for the Vespa Cosa models. The clutch can also be installed in PX engines depending on the number of clutch pinion teeth. There is this clutch with different pinions to translate if necessary an engine with it longer or shorter. It is a 4 disc clutch. A new nut/spring washer is used instead of the castle nut version. The Cosa clutch was used as the basis for the BGM Superstrong clutches. (TW100123) AI-translation