lock

I saw an advert somewhere for a brake calliper lock that fitted over the top of one side of the front brake using the bolt mounting points. The pin part of the lock engaged the holes in the disc and locked the wheel into place without movement. Cant remember the name or If it has any insurance...

Anyone have for sale or able to tell me where I can buy the locking bracket that attaches the base of a BMW aluminium R1150GS pannier to the frame. Not the locking mechanism for the lids, the one I'm after has a claw type thing that grips the luggage frame. I realise BMW may be my only option...