BST, the carbon fiber motorcycle wheel manufacturer.
This is the official site of the World Super Bike Championsip

A truely remarkable sight. It features all the news in the motorcycle industry, as well as very nice pictures that can be downloaded.
The pinicle of our sport is Moto GP. This site will give you the most up to date news of happenings in the paddock and the track.

This is probably the best up to date motorcycle website on the web with regards to news, tests and events.