Los Angeles County Bicycle Coalition
- An advocacy organization working to improve the bicycling environment and quality of life in Los Angeles County. Represents those who bicycle for transportation or recreation.
- http://labike.org/

Velo Avanti Cycling Team
- Promotes amateur bicycle racing competition in Southern California and foster a club atmosphere for members who enjoy cycling as a recreational pursuit.
- http://www.veloavanti.com/

Arete Racing Cycling and Multisport Team
- A San Francisco racing organization. Provides event information, schedules, news and results.
- http://www.clickenergi.com/arete/

Bike Action: Bike the Bridge
- The Bike the Bridge Coalition promoting bike access to San Francisco Bay Area bridges.
- http://guest.xinet.com/bike/

Major Taylor Cycling Club
- Caters to younger riders in eastern San Mateo County and specialises in recycling used bicycles to riders in need and operating low-cost repair clinics in East Palo Alto. Includes general information about the club, repair clinic calendar, mission stateme
- http://www.mtcc.us/

Velo Promo Race Headquarters
- Plans and organizes bicycle racing events and programs, and provides race services. Lists details of cyclocross, mountain bike, and road racing events throughout the state.
- http://www.velopromo.com/

Santa Clarita Velo
- Club website with news, information and a newslatter for bicyclists in Santa Clarita, California
- http://santaclaritavelo.com

DirtChix
- A southern California based women's mountain bike club with rides primarily focused on the Santa Monica mountains.
- http://www.mtbdivas.com/

The SDSU Cycling Team
- Road, mountain and track bike club that supports cycling for both men and women of all abilities. Contacts, roster, schedule, Alumni, and photographs.
- http://www.cyclingscience.org/sdsucycling.htm

Team On Your Left
- San Diego based mountain biking interest group that uses a Yahoo! club for discussion and scheduling of rides and events.
- http://sports.groups.yahoo.com/group/teamonyourleft/

The Monterey Bay Recumbent Club
- A club for recumbent riders living on or near the Monterey Peninsula.
- http://sports.groups.yahoo.com/group/bents/

Stanford University Cycling Team
- Palo Alto based collegiate cycling and mountain biking team for men and women.
- http://www.stanford.edu/group/cycling/

Los Gatos Bicycle Racing Club
- Located near San Jose and Silicon Valley, our club boasts a tradition of forty years of bicycle racing in Northern California: road, track, criteriums, cyclocross and time trials.
- http://www.lgbrc.org/

California Association of Bicycling Organizations
- Fosters and promotes a favorable climate for bicycling in California. Includes information about the organization, member organizations, and related links.
- http://www.cabobike.org/

Marin County Bicycle Coalition
- Striving to become a national model for bicycle and pedestrian design, utilizing tunnels and trestles to complete a continuous "bicycle freeway" along the Highway 101 corridor.
- http://www.marinbike.org

Bay Area Velo Girls Cycling Club for Women
- News and events for the only road cycling club exclusively for women and girls in the San Francisco Bay Area.
- http://www.velogirls.com/

CRC/Travelocity - California Road Club
- San Francisco-based bicycle racing team that runs the Mt. Tam Hillclimb and Presidio Criterium. Riders cover all categories and abilities, and include many masters racers.
- http://www.californiaroadclub.org/

Paramount Racing
- The racing arm of the Orange County Wheelmen, a large cycling club in Orange County, California.
- http://www.paramountracing.org/

Team Dirty Work
- Mountain bike club in Riverside provides trail maps, ride reports, photographs, and message board.
- http://www.teamdirtywork.com/

Foothill Cycle Club of San Gabriel Valley
- A touring and recreational bike club. General information, rides, meetings, mailing list, links.
- http://www.foothillcycle.org/

Palos Verdes Bicycle Club
- Sociable Bicycling around Palos Verdes. The PV Bike Club is a non-profit organization that supports local charity rides and provides educational and on-the-road support to people wanting to learn or relearn biking skills.
- http://www.palosverdes.com/pvbikeclub/

Berkeley Bicycle Club
- Berkeley recreational club with photos, newsletter, results and events calendar.
- http://www.berkeleybike.org/

Sacramento Valley Cycling
- Offers links to Northern California bike clubs, centuries and events, and regional information.
- http://www.saccycle.com/

Echelon Santa Barbara
- A road cycling club based in Santa Barbara; local rides, races and events, newsletters and junior program featured.
- http://www.echelonsantabarbara.org/

Desert Bicycle Club
- Information on bicycle activities and clubs in Palm Springs, and Palm Desert.
- http://www.cycleclub.com/

Southridge Racing Club
- Downhill and cross country racing club which sponsors events in southern California near Fontana.
- http://www.southridgeusa.com/

Channel Islands Bicycle Club
- The premier recreational road cycling club in western Ventura County.
- http://www.cibike.org/

Bicycle Club of Irvine
- A recreational and social, non-racing, cycling club. General information, rides, meetings, mailing list, links.
- http://www.bikeirvine.org/

Oakland Yellowjackets Bicycle Club
- A multi-ethnic, multi-cultural bicycle club that meets on Saturday mornings at Lake Merritt in Oakland, CA. Riders of all levels are welcome.
- http://www.oaklandyellowjackets.org

San Diego Bicycle Club
- Active club that lists road and velodrome races, training rides, and links.
- http://www.sdbc.org/

Western Wheelers Bicycle Club
- Located in Palo Alto as a nonprofit organization based on the San Francisco Peninsula that hosts a variety of rides every month to suit cyclists of all abilities.
- http://www.westernwheelers.org/

Fremont Freewheelers Bicycle Club
- Serving the Fremont area cyclists with ride schedules, events calendar, news, membership information.
- http://www.fremontfreewheelers.org/

Orange County Wheelmen
- Medium size bicycle club in Orange County California offering rides most days of week and several event century rides.
- http://www.ocw.org

Velo Club LaGrange Westwood
- Participating in and promoting bicycle racing in the European tradition for 31 years.
- http://www.lagrange.org/

Island Boy Racing
- Schedule, photographs, results, and links.
- http://www.ib-racing.org/

Santa Rosa Cycling Club
- Based in Santa Rosa, this recreational club provides its members and area cyclists with ride and trail reviews, newsletter, events calendar, photo gallery, membership information and links.
- http://www.srcc.com/

Santa Cruz County Cycling Club
- The SCCCC provides its cycling members with a newsletter, photo gallery, events calendar, trail information and membership.
- http://www.santacruzcycling.org/

San Francisco Bicycle Coalition
- Membership-based advocacy organization working to promote the bicycle for everyday transportation, and by improving the conditions for walking and transit.
- http://www.sfbike.org/

Sacramento Area Bicycle Advocates (SABA)
- Information about advocacy and cycling in Sacramento, including commute tips, bike maps and bike parking.
- http://www.sacbike.org/

Diablo Cyclists
- Walnut Creek club that offers image gallery, newsletters, riding and racing schedule and results, and bulletin board.
- http://www.diablocyclists.com/

San Fernando Valley Bicycle Club
- Woodland Hills-based recreational group that offers ride schedule and calendar of events, announcements, mountain biking resources, and contacts.
- http://www.sfvbc.org/

Chico State Cycling
- Includes information, racing schedules, and photo gallery for the Chico State University cycling team. Also provides related links.
- http://www.csuchico.edu/cycling/

Almaden Cycle Touring Club
- San Francisco-Bay area bicycle club.
- http://www.actc.org/

Ranchos Cycling Club
- San Diego group founded in 1988; feature include local rides, races, event calendar, membership information and team clothing.
- http://www.ranchoscycling.org/

Team Wrong Way
- San Francisco Bay Area racing club and adovacy group.
- http://www.teamwrongway.com/

California Bicycle Coalition
- Creating a new cycling culture in California communities by harnessing public and private resources to make the streets and trails good places to ride.
- http://www.calbike.org/

Different Spokes - Southern California
- Promoting cycling activities among members and friends of the gay and lesbian communities in Southern California.
- http://www.differentspokes.com/

Santa Barbara Bicycle Coalition
- The SBBC is a non-profit advocacy and resource organization that supports better and safer bicycling conditions in Santa Barbara County.
- http://www.sbbike.org/

Northern California/Nevada Cycling Association
- Includes race calendar, and road, track MTB and cyclocross information.
- http://www.ncnca.org/

Davis Bike Club
- Davis-based racing and recreational club with links to area resources, ride and events calendar, and image gallery.
- http://www.davisbikeclub.org/

Swami's Cycling Club
- San Diego County-based group that offers recreational and competitive road and mountain biking for all levels and ages. Features race and ride calendar, photos, alumni and archives, sponsors and contacts.
- http://www.swamis.org/

Kern Wheelmen
- Bakersfield based club that sponsors a century ride. Club's site features membership information, photo gallery, news and events calendar.
- http://www.kernwheelmen.org/

Knickerbikers of San Diego County
- A bicycle touring club, offering day trips (mostly on the road, but some mountain biking) throughout San Diego County every Saturday and Sunday morning, and on Tuesday evenings.
- http://www.knickerbikers.com/

Conejo Valley Cyclists
- Thousand Oaks, Newbury Park, and Westlake Village
- http://www.cvcbike.org/

Cycles Veloce
- A masters bicycle racing team in Southern California.
- http://www.cyclesveloce.com/

Alto Velo
- Palo Alto based team with race events and results calendar, photos, links and membership information.
- http://www.altovelo.org/

Marin Cyclists
- Since 1963, this club has featured racing and riding with a site photo gallery, biographies, results and events calendar and links.
- http://www.marincyclists.com/