Originally Posted by Koyote

I think all of this arguing about how to greet (or not greet) other riders is probably location-specific. I've lived in an area that was thick with cyclists -- Colorado's Front Range. On a sunny Saturday, I might see several dozen other cyclists on a 50-mile ride. I still think a nod or a slight wave is polite, but not everyone does it, and there were probably times when I didn't either.