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