this weekend the “track cycling uci world cup classics” are hold in manchester (uk). they have a lovely velodrome and a fantastic audience, always soldout. here’s a video about the uci rules for track bikes.
http://vimeo.com/20120143
you can follow the latest news for the whole event here: http://www.trackworldcup.co.uk
and here are some videos: http://www.youtube.com/user/britishcyclingvideos