I put the ADVLock GPS Mount with a 2.25" extension arm on my 2021 KTM 890 Adventure R. This is a rock solid mount, much better than my previous RAM set up with a ball mount double armed socket. Another big benefit is I can now use my Garmin Montana 710i in landscape AND portrait positions without hitting my windscreen.
Adjustability is awesome.
Thanks to Andrew at Vanasche for suggesting the extension and getting me dialed in!