Rear wheel rotor removal

[Mikerhon2022]

Hi all, any idea how I remove this rear rotor? I had hoped to exchange it for a new shimano XT rotor

 

[Gary]

Centrelock init?
remove the magnet and insert lockring tool and undo lockring anticlockwise. rotor then just slides off the hub splines

 

[Mikerhon2022]

Centrelock init?
remove the magnet and insert lockring tool and undo lockring anticlockwise. rotor then just slides off the hub splines

Dohhh so did not realise this! Thanks mate

 

[JMP85]

How is the magnet/arm held on?