| Almaden Cycle Touring Club: San Francisco-Bay area bicycle club. |
| Alto Velo: Palo Alto based team with race events and results calendar, photos, links and membership information. |
| Arete Racing Cycling and Multisport Team: A San Francisco racing organization. Provides event information, schedules, news and results. |
| Bay Area Roaming Tandems (BART): San Francisco Bay Area's tandem cycling club. Includes member classifieds, a sample newsletter, ride listings, club clothing, ride maps, and photo gallery. |
| 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. |
| Berkeley Bicycle Club: Berkeley recreational club with photos, newsletter, results and events calendar. |
| Bicycle Club of Irvine: A recreational and social, non-racing, cycling club. General information, rides, meetings, mailing list, links. |
| 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. |
| 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. |
| Channel Islands Bicycle Club: The premier recreational road cycling club in western Ventura County. |
| Chico State Cycling: Includes information, racing schedules, and photo gallery for the Chico State University cycling team. Also provides related links. |
| Conejo Valley Cyclists: Thousand Oaks, Newbury Park, and Westlake Village |
| 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. |
| Cycles Veloce: A masters bicycle racing team in Southern California. |
| Davis Bike Club: Davis-based racing and recreational club with links to area resources, ride and events calendar, and image gallery. |
| Desert Bicycle Club: Information on bicycle activities and clubs in Palm Springs, and Palm Desert. |
| Diablo Cyclists: Walnut Creek club that offers image gallery, newsletters, riding and racing schedule and results, and bulletin board. |
| Different Spokes - Southern California: Promoting cycling activities among members and friends of the gay and lesbian communities in Southern California. |
| DirtChix: A southern California based women's mountain bike club with rides primarily focused on the Santa Monica mountains. |
| Echelon Santa Barbara: A road cycling club based in Santa Barbara; local rides, races and events, newsletters and junior program featured. |
| Foothill Cycle Club of San Gabriel Valley: A touring and recreational bike club. General information, rides, meetings, mailing list, links. |
| Fremont Freewheelers Bicycle Club: Serving the Fremont area cyclists with ride schedules, events calendar, news, membership information. |
| Hare of the Dog: San Diego bike hash hounds. Includes contacts, details about what to expect on a hash, and details about previous hashes. |
| Island Boy Racing: Schedule, photographs, results, and links. |
| Kern Wheelmen: Bakersfield based club that sponsors a century ride. Club's site features membership information, photo gallery, news and events calendar. |
| 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. |
| Los Angeles County Bicycle Coalition: An advocacy organization working to improve the bicycling environment and quality of life in Los Angeles County. We represent those who bicycle for transportation or recreation. |
| 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. |
| Major Tayor Cycling Club: Club website for a non-profit cycling club catering to younger riders in eastern San Mateo County, California. The club specialises in recycling used bicycles to riders in need, and operating low-cost repair clinics in East Palo Alto. |
| 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. |
| Marin Cyclists: Since 1963, this club has featured racing and riding with a site photo gallery, biographies, results and events calendar and links. |
| Northern California/Nevada Cycling Association: Includes race calendar, and road, track MTB and cyclocross information. |
| 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. |
| Orange County Wheelmen: Medium size bicycle club in Orange County California offering rides most days of week and several event century rides. |
| 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. |
| Paramount Racing: The racing arm of the Orange County Wheelmen, a large cycling club in Orange County, California. |
| Ranchos Cycling Club: San Diego group founded in 1988; feature include local rides, races, event calendar, membership information and team clothing. |
| Sacramento Area Bicycle Advocates (SABA): Information about advocacy and cycling in Sacramento, including commute tips, bike maps and bike parking. |
| Sacramento Valley Cycling: Offers links to Northern California bike clubs, centuries and events, and regional information. |
| San Diego Bicycle Club: Active club that lists road and velodrome races, training rides, and links. |
| San Fernando Valley Bicycle Club: Woodland Hills-based recreational group that offers ride schedule and calendar of events, announcements, mountain biking resources, and contacts. |
| San Francisco Bay Area Bike Action: The Bike the Bridge Coalition promoting bike access to area brideges. |
| 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. |
| 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. |
| Santa Clarita Velo: Club website with news, information and a newslatter for bicyclists in Santa Clarita, California |
| Santa Cruz County Cycling Club: The SCCCC provides its cycling members with a newsletter, photo gallery, events calendar, trail information and membership. |
| 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. |
| Share The Road: Community-based bike and car safety in Marin County. Not-for-profit, grass roots effort to improve cycling and driving safety. |
| Southridge Racing Club: Downhill and cross country racing club which sponsors events in southern California near Fontana. |
| Stanford University Cycling Team: Palo Alto based collegiate cycling and mountain biking team for men and women. |
| 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. |
| Team Dirty Work: Mountain bike club in Riverside provides trail maps, ride reports, photographs, and message board. |
| Team Leghair: Down and dirty mountain biking humour society. |
| Team On Your Left: San Diego based mountain biking interest group that uses a Yahoo! club for discussion and scheduling of rides and events. |
| Team Wrong Way: San Francisco Bay Area racing club and adovacy group. |
| The Monterey Bay Recumbent Club: A club for recumbent riders living on or near the Monterey Peninsula. |
| 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. |
| Valley Spokesmen: A San Francisco Bay Area bicycle touring club, based in Dublin, (approximately 15 miles east of Oakland). The club conducts both local and non-local rides. |
| 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. |
| Velo Club LaGrange Westwood: Participating in and promoting bicycle racing in the European tradition for 31 years. |
| 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. |
| 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. |
Classical
