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 componentsMenu 2 on/off function
This function turns off and back on the menu 2.
If menu 2 is disabled, the functions for average fuel
consumption (cons.Avg), instantaneous fuel consumption
(cons.), Average speed (speed avg), trip time (trip time)
and air temperature (air) will no longer be displayed in the
"main screen ...
Renewal of the headlight
Disconnect the headlight connectors (a) from the main wiring (refer to the
tables of paragraph "routing of wiring on
frame", sect. 6 - 1).
Loosen nuts (2) that fix the front optical unit to the bottom yoke, and
recover the washers (3).
Remove the complete front optical unit by sliding ...
Hands free
Hands free
Special screw
Plug
Electric fuel plug
Button
Spring
Frame
Elastic pin
Spare parts catalogue
Diavel abs handlebar and controls
Diavel carbon
abs
handlebar and controls
Important
Bold reference numbers in this section identify parts not shown in the
figures a ...