Fluoride facts
http://www.fluoridealert.org/fluoride-facts.htm
I wash my bike with flouride-free degreaser
Fluoride in water will not ruin your bike but it may add to corrosion in some areas.
Fluoride increases the electrical conductivity of water. In general, the higher the electrical conductivity of water, the higher its ability to allow corrosion to occur to metals it contacts.
Get out and ride !!