Collection consists of flyers, posters and other ephemera related to the bike messenger community in San Francisco, from 2000-2010; includes materials for the ILWU Local 6 campaign to organize Express Network, 2000-2001; materials related to the Flash Messenger Service strike; scattered issues of Cognition, the newsletter of the San Francisco Bike Messenger Association, 2000-2010; and other bike messenger-related event flyers and leaflets collected by Stevens.