Piaggio Vespa PX/T5 Front Brake Calliper (Hengtong 2011-)Piaggio Vespa PX T5 Front Brake Calliper (Hengtong 2011 ) The Vespa PX Disc Model first came out in 1998. With a new Hydraulic front Brake System, IF you have a Front Drum PX with a 20mm Fork Link, then your in luck! With a few modifications you can fit the Vespa PX Hydraulic Kit to your Scooter! Standard colour is black. This caliper is to fit ALL 2011 Onwards Vespa PX Models, but will fit all pre 2011 models also. After the Vespa PX seized