Originally Posted by
kerlenbach@cfl.
Freeze your bottles. A 20-oz. bottle will thaw in about 1 hour at 85-90 degrees F. Cold water while riding in hot weather is key.
I agree wholeheartedly. Cold water lowers the core temp of the body. I also half-fill my camelback and leave it in the freezer, then fill it all the way before I leave.