The Polini Hi-Speed for the SYM ADX TG 400 is a top-class transmission system that redefines your scooter's performance. Designed with maximum performance in mind for the new Euro 5+ specification engine, this particular variator gives a striking improvement in acceleration and throttle response. Polini has applied advanced lubrication technology and roller track design, guaranteeing smooth, continuous transmission of the drive. The result is an engine that runs more efficiently, giving the rider a sportier, more dynamic riding experience, in town and on the motorway alike.