Links
Geology and links
http://www.lonker.net/nature_geology_3.htm
http://www.hi.is/%7Eoi/geology_of_iceland.htm
http://www.union.edu/PUBLIC/GEODEPT/COURSES/petrology/labs/iceland/iceland.htm
Iceland pictures, sagas, history...
http://www.simnet.is/gardarj/gardar1.htm
German site about Iceland (check: Hintergründiges)
http://www.iceland.de/
Cycling in Iceland
Icelandic mountain bike club, a must read for anybody planning a bicycle trip to Iceland:
http://www.mmedia.is/~ifhk/touring.htm
Hollandic site with plenty of informations on cycling in Iceland, links, route descriptions...
http://home.wanadoo.nl/erens/icecycle.htm
Cycling more general:
Buy quality custom bikes or build by yourself. Dave Yates's website
http://www.daveyatescycles.co.uk
All you need to know about S & S links (make your bike foldable
http://www.sandsmachine.com