The Mid Peninsula Bicycle Coalition , a new group, works to promote better conditions for bicyclists in San Mateo County. The group that has emerged most dramatically in the Bay Area in recent years is the Bicycle Friendly Berkeley Coalition . If you like organized group rides, check out these home pages. These recreational clubs all sponsor casual group rides, and vary in the degree of competiveness and strength required. Some also sponsor major centuries.
Most web pages have ride schedules, and some also have some great links to other sites.
A New York City based advocacy group whose site contains information useful to all cyclists. Duboce Bikeway Mural - A beautiful site documenting the creation of this wonderful celebration of San Francisco and our bike culture. New photos every day. Another beautiful site about San Francisco's new mural. Includes a great library and list of links.