Adelaide Mountain Bike Club - Mtn. Bike club located in lovely Adelaide, South Australia

Adventure Cycling - America's bicycle travel resource, creators of the Great Divide Mountain Bike Route
The Arthritis & Glucosamine Resource Center - informative site about arthritis and glucosamine
asilvertouch.com - asilvertouch zine
BarbHaley.com - DH/FR site including Blogg, pics and more
Barnett Bicycle Institute - Classes in Bicycle Mechanics

Bay Area Adventure Racing Babes and Dudes - adventure racing community and portal
Bike Adventures UK - Large forum and online resource for Mountain biking in the west midlands UK.

Bicycling Australia - Australia’s largest road and MTB magazines
BikeFittingKit.com - The art of adjusting a bike, to fit a body

Bike Schlappis - Swiss MTB site
Biking-Vacation.com - Hans Rey Vacations Europe
Bikeheads.com - riding in the great NW
Bike Magazine
Bike Rag - Trail reviews, maps, pictures and more of West/East Coast USA
BikeSkills.com - Ride Better, Ride Safer, Faster
Brooklyn Bike Riders
Bucks MTB - The only site dedicated to mtn. biking in Buckinghamshire(UK)
ChicagoFreeride.com
Chilterns MTB
ClubMTB - online resource for mountain bike clubs
Colorado Premier Training - Professional Training
The Coquitlam Free Riders
Crankfire.com - Connecticut Mountain Biking Community

Cycle 1st
CycleVa - MTB resources for the state of Virgina
Cycling Central Va
DH Race
Digital Dare Devil - Northwestern America MTB and Freeride scene
Dirt Rag Magazine
DirtWorld.com - The Mountain Bike Guide
Drop Machine - downhill, freeride, urban, trails
East Coast Mountain Biking - eMagazine about East Coast mtn. biking in Canada.
Eastside Freeride - All your MTB resources based in Montreal, Quebec
Extreme MTB - MTB resource for Switzerland and Italy
Fat Tire Travler - Resorces for the traveling mountain biker
FasCatCoaching.com - Personalized Coaching for All Cyclists
Freeridelounge.com
Freeriders Forever - Pics and vids
Frorider - Swiss Based MTB site
GirlBike - A site for women mountain bikers
Hans "No Way" Rey Adventure Team
Hcor.net -Freeride - Downhill - Life
IMBA - Support your sport. Join today!
Junior Development Cycling Foundation
Karen Johanson Photography

Keepriding.org - to inspire, inform & support athletes with cardiac related issues
Keystone Biking - online magazine for Pennsylvania bicyclists
Lance Armstrong.com
Lance Armstrong Foundation - For fighting cancer
LeeLikesBikes.com - mtn. bike articles and news by Lee McCormack
MAMBO - The Maryland Association of Mountain Bike Operators
MMBA - Michigan Mountain Biking Association
Mondial du Velo - Organizers of the UCI World Master Championships
MORE - Mid Atlantic Off Road Enthusiasts
MountainBikeAz.com - a site dedicated to trails and riding in Arizona
Mountain Biking FAQ on Answerbag - MTB FAQ and glossary.
Mountain Biking X - North Dakota MTB including Maah Daah Hey
Mountain Bike Magazine
Mountainbike CZ - Info server
Msdhw.com - Northern California Downhill & Freeride Community
MTB Amputee - An informal organization for amputee, MTB, and cycling enthuiasts
MTBBritain - UK based trail guide/magazine site
MTBTR - Turkish based MTB resource

MTBtrail - mtb trails around Australasia
MTB Stuff - UK based MTB site
MTBX - Dedicated to hardcore mountain bikers
National Bicycle History Archive of America
National Off-Road Biking Association (NORBA)- Sanctions races, liscenses racers
The National Bike Registry
The National Park Service
NEMBA - New England Mountain Bike Association
North Shore Mountain Bike Association - Dedicated to the accessibility of trails and support of mountain biking on the North Shore
North East MTB - MTB resource for eastern (US) based riders
NIMBA - Northern Indiana Mountain Bike Association
NSMB.com - Freeriding e.magazine
Oak Creek Pub - Local Sedona Pub
Ogre's Guide - Detailed trail descriptions and photos of NorCal bike trails
Pinkbike - share the ride
Phreemedia - MTB videos and DVDs
Quack Productions - Production Company
Revolution Freeride - Online resource for hardtail freeriders
Ridge Productions - Homegrown Production company out of Kamloops B.C.
RogerSunderland.Com - Cycling Adventures Florida
RUSS - Riders United in Serious Situations - A UK based appeal
Salem Oregon Mountain Bike Club - MerryCranksters.org
Shiggy's Mtn. Bike Tire Site - (formerly known as theMudZone.com)
SILEDS - Aventuras em Bicicileta (Brazil)
Single Track Press
SORBA - Southern Off Road Bike Association
Spoke Junkies
Team Nova - Junior Cycling Program
Team Sally - Mountain biking in the suburbs of Chicago
Team Superheros - MTB videos and clothing
Texas Bike Trails
The Ride Magazine - East Coast Bike Culture
The Single Track Classroom - Online Guide to Building Trails
Trails Edge - Michigan based trail information
TROGS - Trail Riders of Greater Stanislaus - A central/northern California group of bike riders
TrekAnalyst.com - Exercise Analysis, Mapping, and Trail Search
Total Freeride

UK Biking Forum - Biking chat, gear and routes
Utah Mountain Biking
Velo Markt - Swiss Based MTB portal
VeloNews
WABA - Washington Area Bicyclist Association
Wade Bootes Online
Wisconsin Off Road series - The largest state MTB racing series in the country
Xtreme Sports Xchange - A Web portal for all your extreme sports news, images, and articles