You can place your GPS exactly in the position where you want it to be with these extra GPS mounts.
The RAM ball plate can be screwed to the X-Navi, Zumo 340, Zumo 350, Zumo 390, Zumo 550, Zumo 590 and Zumo 660 or TomTom 1, TomTom 2, TomTom Rider and TomTom 2013. Then you connect the RAM ball plate with one of the clamps (60 or 90 mm length, see image 1)
If you want to mount your Sat Nav in combination with one of the following GPS mounts for the handle bar (article no. NH 1/5; NH 1/3 sw 22; NH 2/1 sw 22; NH 3/1; NH 1/3 c 24; NH 1/3 c 28; NH 3/2; NH 1/6; NH 3/1 15mm), you need the RAM ball plate and one of the clamps.