Ducati Diavel Workshop Manual page 395

Front brake control
Hold the lever pulled towards the twistgrip and tighten the calliper screws (21) to the torque of 45 Nm ± 5% (Sect. 3 - 3,
Frame torque settings).
Insert brake rubber block (D) into grommet (B) and ensure it is centred.
Fold hose clip (B) and fasten it by starting the screw (C) in its thread.
Insert hose (13) in bracket (17) and tighten screw (16) to a torque of 8 Nm ± 10% (Sect. 3 - 3, Frame torque settings).