Critical Mass, Melbourne

Critical Mass transforms a dreary commute into a radiant celebration of a vibrant urban life and reclaiming of public space. Bikes are fun and every bicyclist is one less car. Critical Mass is proof that we are each makers of history and shapers of our own social life. Bike Love creates a people powered community that enhances the urban experience, the city is alive!
http://www.criticalmass.org.au/melbourne/