Could never see the point of remote greasing. You cannot see old grease being displaced by new as you can when greasing directly. You still need to remove excess grease (using an old sock) and then wipe over discs with brake cleaner.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone