[RaYzerman]

I had posted pics of my homemade shelf elsewhere.....

 

[RaYzerman]

1/4-20 Nut on the bottom side...........

 

[RaYzerman]

I prefer up and in front of me..... another idea if you're using that mirror hole for something else..... years ago I had this bracket, it is steel and pre-drilled/tapped for a standard Garmin cradle. Straight up and then angled forward..... you can easily make one and any height you want.

I put this on my VFR, and sideways cradle is for a Garmin 396.

 

[RaYzerman]

It most likely was a Motorcycle Larry nut... out of business quite a while ago. The OEM is thin.... put a nut on the back?

 

[RaYzerman]

I like it a lot, it's genius. Right where the GPS should be, and a good alternative to a dash shelf. Wish I'd known about it back in the day of my FJR. I have a similar setup on the Versys.

 

[RaYzerman]

I see your two reinforcing screws.... good idea, the tabs on the domed piece aren't all that robust.