Top sites. The sites I really recommend! These are the ones I personally like the most. The reasons are different: great photos, valueable information, nice layout or a combination of all of the above.
More Sites. You may find your favourite site here, all this rating is according to my taste.
Information sites and online resources. Link lists, forums, directories, general help cyclists and travelers.
Brands. The guys who make the stuff.
Literature. Books which have inspired, intrigued, informed and helped me.