Expert Knowledge: We know the difference between a Series 3 and a GP, or an LML 2T and 4T. Vespa Models: PX125, PX150, EFL (Lusso), Arcobaleno, Disc, MY, and T5 Classic. Whether you are restoring a classicVespa PX or maintaining a modernLML Star, this 115mm "Large" clutch provides the extra grip needed to prevent slipping under load.