The device has a motion detector that activate the siren when someone is trying to move your motorcycle
The mounting tube takes a lot of load that is put on the engine
A couple of characteristics to take note of is the fuel sender hole which is slightly different in comparison to the more Modern Vespa PX
SPAQ Vespa Stainless Steel PX 1984-Onwards) Light Switch Cover
Advice: The easiest way to remove your old handlebar grips is to carefully cut them open along their whole length using a carpet knife or similar
Piaggio Vespa PX (1998-Onwards) Speedometer Drive Kit TOPCASE & RACK PX-T5-COSA The device has a motionPiaggio Vespa PX (1998 Onwards) Speedometer Drive Kit Revision kit for the 1998 onwards model of the Vespa PX, suitable for all fork types. Speedometer drive features 12 teeth, and must be paired with the included spacer for installation in the Hub Carrier Assembly. Kit includes a new rubber cover and screw, washer providing a full set. This is a Genuine Piaggio Speedo Kit Disc Model Comparison No. 177508, 174129, 177671, 006975, 031056, 1C001369