This Fits Your BMW R1200ST
Full size assembly image of Topcase bottom section (1/2)
Topcase bottom section (1/2) Topcase bottom section (2/2)

Topcase bottom section

K48: K 1600 GT (0601,0611): (2010-2016)
K48: K 1600 GT 17 (0F01, 0F11): (2016-2018)