Cycling
Discussion areas, polls, links, and pictures.
http://www.communityzero.com/cycling

cyclingforums.com
Buy sell or trade any cycling related item in this classified forum.
http://www.cyclingforums.com

Bike Forums
A collection of bicycle discussion forums.
http://www.bikeforums.net/

Cycling Community
This is a community for people who love riding bikes and want to spend some online time communicating with others who feel the same way.
http://groups.msn.com/CyclingCommunity/

Women's Cycling Discussion
A forum for discussing cycling. The discussions range from low key intro forums to racing.
http://forums.teamestrogen.com/

The Rickshawforum
Talk about pedicabs, rickshaws, provider. Meeting point for the professionals.
http://rickshawforum.com/forums/

Big Bike Forums
Great Cycling Forum with a lot of different areas. Good information. Friendly community.
http://www.bigbikeforums.com

Cyclingpost forum
A forum to discuss roadcycling, including the Tour de France, Vuelta a España and Giro d'Italia.
http://www.cyclingpost.com/board/index.php

Indoor cycling forum
A forum where people can talk about indoor cycling.
http://www.pedal-on.com

Clip'd In Riders Community Forums
Mountain Biking and Road Biking community and forum for the discussion of all things Cycling.
http://www.clipdin.com/forum/

The Hub SA.co.za - Cycling Forums
An online cycling community dedicated to cycling in South Africa.
http://www.thehubsa.co.za

Cyclismo
A site for sharing information about cycling from commuting to racing.
http://www.cyclismo.org

Cycling Forum
A popular and civil online cycling discussion forum and community for passionate, talented and experienced cyclists around the world.
http://www.cyclingforum.com

NorCal Bikers
A web log dedicated to bikers, mountain bikers, roadies, motorcyclists and anything on two wheels. Based in northern California.
http://norcalbikers.blogspot.com

Cycle Chat
A friendly place for everyone with an interest in cycling. Chat forums, picture gallery, classified ads, and cycling web directory.
http://www.cyclechat.co.uk/

CycleBetter.Com
We are an Aggregated Cycling Weblog site with over twenty great cycling blogs and weblog forums.
http://cyclebetter.com

Bike Coalition Community Forum and Chat
A community where bicycle riders of all ages and skill levels can come together to exchange tips, share experiences, discuss, and overall further their knowledge and the spirit of the sport with each visit.
http://www.bikecoalition.com/

velospace
A bike community/social networking site. Bikes, photos, friends - caters to bicyclists from all walks of life.
http://www.velospace.org/

TredzTalk
UK cycling weblog with news and information about bikes and cycling, covering accessories and bike reviews, events, fixing bike problems, riding tips and everything bike-related by cycling enthusiasts.
http://www.tredzblog.co.uk

Friendly Biking Forum
The site is a friendly biking forum where people can ask questions and give advice.
http://www.freerideforever.co.uk

Cycling Mob
Cycling Mob is an online community dedicated to cycling. Covers training, bike gear, tips, photos, and bike advocacy.
http://www.cyclingmob.com

London Fixed-gear & Single-speed
A discussion forum focused on fixed gear (track bike) and single speed cycling in London, UK.
http://www.londonfgss.com/

BlogCyclingNews
Stories about profesional and local cycling events and races. Discussion of all things related to cycling welcome, races, riders, equipment, doping, training, if it is about the bike bring it on.
http://blogcyclingnews.com/

The Wah Report
This is a website about road racing, mountain bike racing and cyclocross racing. The website also includes tips on training.
http://jaredroy.blogspot.com/

Real Old School BMX
Message board dedicated to old school bmx,vintage bmx,from the 70's to today. History,pics,message boards.Free membership.
http://www.rosbmx.net

Ebragger
A social networking site for cyclists to chat about their daily ride. Start a group for you regular rides, or find a group to ride with. Share training tips and cycling knowledge. All cycling enthusiasts welcome!
http://ebragger.com

Edge 305 Owners Forum
Interact with other owners, and learn how to optimize the use of the Garminn Edge bicycle computer. Learn about its trainer features, GPS, and wireless capabilities, how to measure speed, distance heart rate, and cadence.
http://www.edge305.com

Socal Trail Riders
Southern California community of mountain bikers focused on riding and having fun. All ability levels welcome.
http://socaltrailriders.org/forum/

Yahoo! Groups: Power-assist
Mailing list and discussion board.
http://tech.groups.yahoo.com/group/power-assist/

BikeWeb
Resources for cycling, mountain biking, and BMX, featuring classifieds, trails and ride information, events and group information, forums, blogs, products, reviews, news, photos, videos and useful links.
http://www.bikeweb.net

MBE - Mountain biking forum, including cycling routes & phot
Cycling and mountain biking forum, plus mountain biking photos and cycling routes. Share your questions and opinions with fellow MTBers!
http://www.mtbe.co.uk

Wheel of a Deal
Social bookmarking for cyclists and a new cycling deal most days
http://www.wheelofadeal.com

Bike Blog Collection
The best collection of bike blogs for people who ride by people who ride!
http://www.bikeblogcollection.com

Cycling hallenge
A new challenge every year while cycling legendary climbs in the French and Swiss Alps. This site features great articles and amazing photos about conquering Europe's most challenging climbs.
http://www.cycling-challenge.com

ibikeride, a mountain bike community for sharing skills, maintenance, kit and trails
Online community website where you can browse, comment on, rate, post articles, use the forums, post videos yourself, as well as chat and email other riders.
http://ibikeride.com

MTB Path, your ride begins here
MTB Path is a community, the place to express yourself! Create a blog, upload that video of your bike ride, share your ride photos, discuss your ride, share your tips and ideas in the forum. Be heard, seen and get connected with MTB Path!
http://mtbpath.com

Motorized Bicycle Engine Kit Forum
Motorized bicycle forum. Message board with experienced motorized bicycle engine kit help and assistance building and making performance modifications to your gas and electric motor bicycle.
http://motorbicycling.com

Two Six Nation
A blog covering mountain biking, including the people, bikes, events, and gear that drive the sport and make us get out and ride!
http://twosixnation.net

BikeNess
San Francisco Bay Area cycling discussion forum. Bicycle routes, organized bike rides, charity events and photos.
http://www.bikeness.com/forums/