This Fits Your 2017 BMW F800GS Adventure
Full size assembly image of Armrest, pillion rider (1/4)
Armrest, pillion rider (1/4) Armrest, pillion rider (2/4) Armrest, pillion rider (3/4) Armrest, pillion rider (4/4)

Armrest, pillion rider

K48: K 1600 GTL (0602, 0612): (2010-2016)
K48: K 1600 GTL 17 (0F02, 0F12): (2016-2018)