I have never seen such a bar for the K1200/1300S. The location of the passenger foot pegs may become an issue. On the other hand, if you fabricate the bars, the passenger peg mounting could be used as one of the mounting points. I have no idea where you could provide other strong mounting points. If you looks closely at the first photo, it appears that this is to protect the occupants not the bag which seem to stick out past the bar. The angle is tough to be sure. I have always thought of the bags secondary purpose as a "Rider Slider". Good luck.
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