Special -strip with Buckle for secure attachment to the case.Expandable up to 20 liter maximum capacity. Expands/compacts with perimeter zipper.Crossed shock cords on top for quickly securing gloves, hat, etc.They are attached to the vario panniers with a belt that completely covers the bag, two stretch Buckle and a belt that joins together passing under the saddle with safety.Fitment:Custom fit top case bag for all original aluminum top cases.R 1200 GS (-2007)R 1200 GS (2008 - 2009)R 1200 GS (2010 - 2012)R 1200 GS . (- 2007)R 1200 GS . (2008 - 2009)R 1200 GS . (2010 - 2013)F 650 GS (2008-)F 700 GS (-2016)F 700 GS (2017-)F 750 GS (2018-)F 800 GS (-07/2012)F 800 GS (08/2012 - 2016)F 800 GS (2017-)F 800 GS Adventure (2013-)F 850 GS (2018-)F 850 GS (2019-)F 900 RF 900 XRG 650 GS (-2010)G 650 GS (2011-)G 650 GS SertaoK 1600 BK 1600 Grand AmericaK 1600 GT (-2016)K 1600 GT (2017-)K 1600 GTL (-2016)K 1600 GTL (2017-)R 1200 GS LC (2013 - 2016)R 1200 GS LC (2017-)R 1200 GS LC . (2014-)R 1200 RT (2009)R 1200 RT (2010 - 2013)R 1200 RT LC (2014-)R 1250 GS AdventureR 1250 RT (2020)R 1250 RT (2021- )R nineT (2014 - 2016)R nineT (2017-)S 1000 XR (-2019)S 1000 XR (2020-)G310GSR 1150 GS AdventureMaterial: nylon braidcolour: blackPackage Contents:1 x Top BagOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.