I had an "interesting" ride last week, to say the least. I left Winter Park CO Monday morning, rode over Berthoud Pass and down I-70) to Denver. As soon as I pulled into town, I noticed I had no rear brake. Upon inspection, the bleeder screw was loose, the rubber nipple was missing, and brake fluid was all over the place. I just had my 6000 mile maintenance done a week prior to this. I called the service manager who was perplexed. It seemed to him if it had happened before I left then I would have lost the brakes a lot sooner than I did. The other thought that I don't want to think about is I did leave the bike parked unattended when I stopped for breakfast. I know this sounds paranoid, but how likely was that screw to come loose on it's own?