255 9th St. San Francisco, CA 94103 Established 1990 The San Francisco Bike Messenger Association was first started as a humorous, yet in-your-face, answer to the AMCS; if the owners could have a club, so could we. Who we are: We are you, if you are a current or former employee of the SF messenger industry. This includes walker, bicycle, moped, motorcycle and driver messengers, as well as order ...