Cycling Indoor
You have found the way to Indoor on Cycling:
Artistic Cycling - Features an overview of the sport, along with diagrams of the bicycles used, bike specifications, and types of tricks and moves performed.
Indoor Cycling in Hong Kong - Features results of recent championships, training schedule, details on the Artistic Star Award Scheme presented by the Hong Kong Cycling Association, photo gallery, and links. [English, Chinese]
UCI: Indoor Cycling - Explains both cycleball and artistic cycling, features an events calendar, including World Championships. Offers an archive of results of past championships and photos.
Wikipedia: Indoor Cycling - An explanation and introduction to spinning. Help build the largest human-edited directory on the web.