California Association of Bicycling Organizations (CABO)
Advocacy
California Bicycle Coalition (CBC)
California Cycleways
Orange County Critical Mass, Costa Mesa
BMX/Motocross Clubs/Teams
Clubs
Bicycle Club of Irvine
California Bicycle Racing, Sunset Beach
Different Spokes of Southern California - gay, lesbian
National Bicycle History Archive of America (NBHAA), Santa Ana
Orange County Rebel Riders
Orange County Wheelmen, Tustin
Tandem Time, Irvine
3F Bike Club, Santa Ana
College/University Clubs/Teams
Anteater Cycling - University of California, Irvine (UCI)
Mountain Biking/MTB Clubs
IMBA (International Mountain Bicycling Association) California
FemRiders of Southern California Yahoo! Group
SHARE Mountain Bike Club of Orange County
Warriors Society, The
Mountain Biking/MTB Racing Teams
Racing Teams/Velo Clubs
Alliance Cycling Team, Costa Mesa
Canyon Velo Cycling of Southern California, Yorba Linda - a USCF, NORBA & CBR affiliated bicycle racing club based in Southern California
Cycles Veloce, Brea
Orange Coast Velo
Paramount Racing Team, Tustin
Perfection on Wheels - stunts, entertainment for school assemblies
Simply Fit Cycling Team, Santa Ana
Sonance/Specialized Racing, Lake Forest
Velo Avanti, Yorba Linda
Veloce Santiago Team, Tustin
Team Velocity, Fullerton
Team Velosport, Mission Viejo
Unicycles/Unicyling
Directories
Bicycle Clubs in California
Big Brother Cycling Network Bicycle Club List
Bike Clubs, Southern California
Bikelink
bikeride.com Regional Cycling Links: California
California Counties - Home page for cyclists including: the only national library of local bicycle cue/route sheets, an extensive rides calendar, FREE automated mileage and gearing calculators
Cycle California
League of American Bicyclists Find it Here
SoCalCycling.com Southern California Cycling Teams and Clubs
USA Cycling Current Clubs in California