The front brake discs consist of an inner carrier, which is mounted to the wheel, and an outer rotor. Both parts must be changed together as a pair.
Remove the front wheel (sect. 7 - 1, Removal of the front wheel).
Undo the retaining screws (5) of the disc to the wheel, remove the disc (7) and, on its left side, slide out the phonic wheel (6).

Removal of the front brake system
Overhauling the front brake componentsSymbols
Ducati motor holding s.P.A. Advises you to read this manual
carefully in order to become familiar with your motorcycle. If
in doubt, please contact a ducati dealer or authorised
service centre. The information contained herein will prove
useful on your trips - and ducati motor holding s.P.A. Wis ...
Key-on/key-off using the key on the hands free lock with the active key
Key-on can be performed by pressing the button (7) on the
hands free lock (1, fig. 77) And with the presence of the
active key (3, fig. 77).
Note
The active key (3, fig. 77) Has a range of approx. 1.5 M,
therefore it must be located within this range.
Key-off can be performed by pressing the ...
Overhauling the front brake components
Important
Critical safety components. The brake calliper manufacturer recommends
that you do not attempt to service the internal
components of the brake callipers. Incorrect overhaul of this component could
endanger rider safety.
Operations should be limited to renewal of the pads, fasteners ...