I don't see this posted - and I thought it was a nice little clip about keirin. I also didn't see a kierin thread - if it exists, I'll merge the threads.
http://www.nowness.com/day/2011/3/8/574/keirin--speed-racers?ecid=ob001&utm_source=sem_outbrain&utm_medium=cpc&utm_campaign=OB_japan%20speed%20cycling&utm_term=speed%20cycling