Gunfighters MC appears to be:
Original Gunfighters MC World is a male only international retired and active law enforcement motor cycle club.
It was definitely great weather for a bike ride.
In retrospect, yellow and blue do not really seem like the colors of someone seeking to intimidate.
Flickr Groups featuring photos from Athens and other walks:
- 2010 Scott Kelby Worldwide Photowalk - Athens, GA
- Scott Kelby's 3rd Annual Worldwide Photo Walk - July 24, 2010