Factory BMW Mirror mount clamp that attaches to the master cylinder. 

Available with Aux light / Reverser switch mount hole. and Bare for left side (clutch controls)

Bare unit fits Brake Side As well. 

These adapters are threaded to accept a M10 x 1.5 mirror stud. The 10mm size is fairly common and you can mount a variety of mirrors, including the BMW mirrors for the R1200/1250GS

Can be used to mount a accessory off of a

Fits Water Boxer Models 2014-2023

K1600's 2017-2023

2014-2018 R1200RT

2017-2023 K1600GT

2017-2023 K1600GTL

2018-2023 K1600B Bagger

2018-2023 K1600GA Grand America