Parts such as the 025 - Freno Posteriore: Joint, Pad Pins Overhaul Kit, Screw, Nut 6mm are included in the Sbk959 2018 Usa (superbike 959 Panigale Corse) D220-00018 025 - Freno Posteriore parts fiche.
The most reasonably priced component used on the Sbk959 2018 Usa (superbike 959 Panigale Corse) D220-00018 025 - Freno Posteriore is the Washer 10x14x1.
On this parts fiche the Screw Tceif M6x16 is the most specified component.