Dirt Bikes

Off Road Motorcycling - Motorbike repair, fitness training, new and used motorcycle parts and accessories.
http://www.mxsquid.com/

Dirtybits - News and action photos from the UK enduro scene.
http://dirtybits.com/

King of the Hill - US motorcycle hill-climb site. Includes public forums for off-road enthusiasts.
http://www.kingofthehill.org/

Trials Canada - Provides news and information to enthusiasts about the discipline of trials.
http://www.trialscanada.com/

XT500 - Links to websites about this particular bike. Includes photos and tips.
http://www.xt500.info/

Dirt Riders International - Discussion forum for those interested in motocross, enduro, dual sport, trials and super moto.
http://www.dirtridersinternational.com/

Stolen Dirtbike - A database service for the listing of stolen dirt bikes.
http://www.stolendirtbike.com/

Trials4Fun - Dedicated to the sport of trials riding. Includes photos and links.
http://www.trials4fun.20m.com/

All-OffRoad - Dirt bike and dual sport information, as well as racing news, crash-n-burn photos and chat forum.
http://www.all-offroad.com/

Crazy Mud Men - Off-road recreational site with news, clubs and discussion forum.
http://www.crazymudmen.com/

Universal Trials South Africa - Information about South African trials dates. Includes spare part sales.
http://www.trials.co.za/

Cannondaler - Cannondale dirt bike enthusiast site. Find reviews, pictures and items of news.
http://www.cannondaler.com/

Endurozone - Organizes enduro tours in Romania. Supplies information, gallery and contact details.
http://www.endurozone.net/

Road and Dirt - Videos and pictures taken of both sport bikes and dirt bikes.
http://roadanddirt.com/

DirtRodders - Honda XR650 site featuring modifications, upgrades, pictures, videos and riding locations.
http://www.dirtrodders.com/

Dirt Trails - An informative site about trail riding, dirt bikes and quads. Includes events, photos and forums.
http://www.dirttrails.com/

Maine Dirtbikes - Dirt biking in and around Maine. Includes racing, trail riding, photos and forum.
http://www.mainedirtbikes.com/