Jay is on the mark about the Camelbak, that is what i ride with, i have a modular helmet and it is easy enough to drink whike riding.

As for what to pack your gear in, if you need to carry more yhan you can fit in your saddlebags, I really lije my Ortleib Dry Bag that I strap on the seat. On an RT you’ll want to run the straps under the seat so you can still lift it for fueling. On the F3 I use Giant Loop Pronghorn Straps, they are. image.jpggreat.