My fg commuter is my minimalist bike, although I do rock a pair of full fenders and mudflaps on it because I also ride long distance with it. If it didn't rain for 9 straight months I might consider a different option. I also don't bother with raingear since I have a full shower/locker setup at work, so I'm a wool advocate.

For a truly minimalist fg setup, though;
- 1 bottle cage
- 1 blinkie light, 1 reasonable headlight
- Speed-EZ or Raceblade fenders
- carry your extra gear in your bag