San Francisco Bicycle Messenger Association
Organized to advocate for improved working conditions and benefits, as well as to sponsoring races, events, and community involvement.
www.messengers.org/sfbma
Different Spokes San Francisco
Bicycling club open to all members of the gay-lesbian community and its friends.
www.dssf.org
San Francisco Grand Prix
Annual cycling race through the hills and streets of San Francisco.
www.sanfrangrandprix.com
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