Originally Posted by prathmann

I have used just the bladder from my Camelback carried inside my handlebar bag while touring. The hose is convenient for being able to drink while riding and it also doubles as a refrigerator. I've filled the bladder with ice from a motel or from the fountain at a fast-food or convenience store and then place any perishable food items that I buy in the handlebar bag. Gives me cold water to drink during the day and there's usually still ice left keeping the food cold when I arrive at the night's campsite.