You will need the black steel mounting system in order to mount the Givi Trekker Outback side bags on your BMW R1300GS.
Only fits for GIVI Trekker Outback / Trekker Outback EVO side cases.
Install instruction
The Trekker Outback EVO side cases are made of aluminum and...
This nylon ring (tank mounting flange) is already included...
Available in 3 sizes (5L, 10L and 25L), this waterproof dry...