The K1600GT is provided from the factory with a two-part height adjustable seat and the K1600GTL with a one-part saddle seat with a choice of high and low versions. As an accessory, each of the versions can be used both on the K1600GT and on the K1600GTL (with included mounting kit).
-Front seat, tall, for two-part seat: Seat height adjustable 31.9/32.7 in
-Front seat, standard, for two-part seat: Seat height adjustable 30.7/31.5 in
-Rear seat for two-part seat: Identical for both front seat versions.
Dimensional weight listed, Two-piece seat (large graphic), One-piece (top left) pictured
BMW K1600GTL Two-piece Seat Conversion Kit
BMW Original Parts