General cycling links
http://www.biketrip.org/    - the long distance bike traveller's forum
http://www.cyclingplus.co.uk/forum/    - lots of useful info
http://travelinhobo.com/     - loads of info, links to other cycle travelogues

Major trips
http://www.tandemtoturkestan.com/    - beautifully presented site on a trip along the silk routes
http://www.roundtheworldbybike.com/     - he's off his rocker he is
http://www.geocities.com/aliingi/index.html     - well documented, lots of detailed tips
http://www.cycleuktochina.com/index.html     - Bewdley to Beijing! Yep, I'd never heard of Beijing before, either

Bits & Bobs
http://www.kancycling.com/     - trips in Japan
http://www.mrpumpy.net/     - asian cycling
http://encarta.msn.com/encnet/features/mapcenter/map.aspx     - world map server