The POLINI HI SPEED variator is a very powerful model for a relatively low price! It allows you to simply equip your scooter without needing any other part! His model cheek is made of a special alloy allowing lightness low wear, robustness ... This is one of the few drives to be delivered with the fixed pulley (cheek ventilated) reviewed and corrected!
The angle is revised to make the most of the entire speed range, the top speed gain is also present thanks to a greater range exploited!
The tread (rollers) is also revised so that the closure is more longitudinal and efficient.
This cheek is special and very studied, the proof still by its passage barrel mounted on joint spy in order to be able to grease, to avoid seizures ... POLINI gives you this variator with 1 set of rollers to better exploit your engine. The performance gain will be present level acceleration RPM range and top speed ...
Supplied with rollers in 19X17mm in weight 9.7 (high speed / power) and 11.5 grames (torque)
Mounts on :
PIAGGIO MEDLEY 125 and 150cc (injection, 4 valves).
VESPA GTS 125 and 150 euro 4 (with injection, 4 valves).