Colavita SoCal -
A Simi Valley based club with weekly road rides and occasional mountain bike rides. Group has a no drop policy on rides and ranges from casual riders to dedicated racers. You can find them on facebook: http://www.facebook.com/home.php?sk=group_161178003904103
Conejo Valley Cyclists -
A Thousand Oaks/Newbury Park based group that has several weekly rides with varying lengths and tempos. The group is also known for the annual Cruisin' the Conejo century that it organizes. They can be found @ www.cvcbike.org
Moorpark Bike Riders -
An informal and social road biking group that is open to any cycling enthusiast. The goal is to introduce road cyclists to the great rides in the eastern county while using biking as a way to enjoy the day while becoming more fit. No pace lines, no sprints, just relaxed social biking with guys and gals. http://moorparkbikeclub.blogspot.com/
Channel Islands Bicycle Club -
The CIBC is a non-profit, recreational organization that provides enjoyable and safe recreational bicycle riding and related activities in an around Ventura, Santa Barbara Los Angeles Counties. www.cibike.org