From SFBC :
Bicis for the people, People Organizing to Demand Environmental (PODER) and the San Francisco Bicycle Coalition are teaming up to make City reclaimed bikes availble to community members. Volunteers will be on hand to teach repair and bike safety skills.
Bicis del pueblo is part of a series of skillshares aimed at restoring Mother Earth, regenerating culture and placing the economy in the people’s hands. Food and music event webpage 
RSVP required, email chema at sfbike.org