Mountain Biking

britishtrails
A source of information for MTB events, calendar for the British Isles, routes, news, trails, gallery, links, xc, enduro, trailquest, and downhill.
http://www.britishtrails.co.uk/

Fat Tyre Mountain Biking (FTMB)
Information and fun about British Downhill and Freeriding, interviews, race reports, articles, news, galleries, product reviews, buy and sell, classifieds, bulletin boards
http://www.ftmb.net

Gorrick MBC
Organise mountain bike cross country events in Berkshire, Hampshire and Surrey. Calendar of events, results and entry details.
http://www.gorrick.com/

IMBA-UK
Promotes environmentally sound and socially responsible mountain biking and offers trail building advice.
http://www.imba-uk.com/

More Dirt
A mountain bike community site and guide to trails and routes in the UK.
http://www.moredirt.co.uk

Mountain Bikers United Kingdom
Mountain biking site arranging rides around the UK with a forum, photo galleries and ride reviews. Also the home of Bike Weasel.
http://www.mtbuk.co.uk

MTB Scotland
Impartial guide to mountain biking in Scotland, with news, reviews, forums, resources map.
http://www.mountain-bike-scotland.com