Mine is mounted on the bracket that came with the Touratech Oryx and Rally Kits. The bracket is mounted using the original mounting holes.
Resulting in this:
BTW: I got one of those brackets left over....
"a scoot (that wouldn't go more than 28mph if you dropped it out of an airplane)" ~duck
"If loud pipes saved lives, then ambulances would run straight pipes instead of lights and sirens." ~Phlemdog
This is why I always wear gloves. How you gonna wipe your butt with hands covered in bandages? ~MrBob