a strip of aluminum 1/8"Thk x 3/4" wide, and drilling some (4) bolt holes and threading them,
will give you a way to Mount your water-bottle cage
at a different height than the factory installed Bosses allow.
+ twofish.biz makes their velcro and rubber block mounted cages to fit Larger volume Kleen Canteen Bottles
http://twofish.biz/attach-a-water-bo...ted-quick-cage.
And Bladder bags in your panniers and a smaller bottles handy can combine to make Nevada Crossings hydrated.