Compatible with models:

Vespa PX:
Vespa PX 125 / 150 / 200 (models with disc brakes and recent 2011–2013 versions)
Vespa PX Euro 2 (2001–2007)
Vespa PXE Arcobaleno, PX T5, PX80–200, PE, Lusso, '98, MY (and historic/vintage models with a 380 mm rear shock absorber, such as: Vespa 125 VNB, GT, TS, 150 VBB2T, Sprint, Super, 160 GS, 180 SS, Rally)
Other classic models:
Vespa GTR 125 (1969–1978)
Vespa 50 N/R (V5A1) from 1963 to 1983
Vespa 90 - 90SS