Here is a short documentary on a fixed geared bicycle messenger. It will give you a little insight on what it's like to be a bicycle messenger.
"Forever Forward is a peek in to the life of Forward Set's owner and creator, Kirk Tsonos. Touching base and giving a visual documentary-style look into his life in Jacksonville, Florida as a full time bike messenger, commuter, and cycling event organizer/host.
Kirk now currently resides in Los Angeles, California.