Crimaz Prodessional Vespa Driveshaft PX (1984-Onwards), T5 125, Cosa, LML Star 2t-4tCrimaz Prodessional Vespa Driveshaft PX (1984 Onwards), T5 125, Cosa, LML Star 2t 4t Vespa PX largeframe driveshafts face alignment challenges due to the cruciform's position being controlled by the external selector box rather than fixed directly to the shaft. Multiple peripheral components introduce manufacturing tolerances and mechanical play that compound over time, particularly in tuned engines where precision becomes critical for optimal