Seems likely they will - here is some info from the
www.pdq1.com website:
Goldline Rear - 20.5161.42 - £51.71 per caliper
Mounting Type: Lug 84mm
Body Type : 2 piece cast aluminium
Piston Type: 2x32mm aluminium
Inc Brake Pads: Yes, 107.2686.41
Typical fitments - Ducati pre 2001 plus many other Italian models. Goldline Rear - 20.6950.51 - £73.80 per caliper
Mounting Type: Lug 84mm
Body Type : 2 piece cast aluminium
Piston Type: 2x32mm aluminium
Inc Brake Pads: Yes, 107.6949.10
Typical fitments - Aprilia 2000 on also modern Ducati.