Critical Mass, Adelaide, Australia
Adelaide has excellent cycling infrastructure but life can always get better. Besides, who can resist a rolling party?

Critical Mass, Brisbane, Australia
In similar fashion to hundreds of cities around the world, Brisibane celebrates transport alternatives with a Critical Mass bicycle ride through the inner city streets on the last Friday of each month

Critical Mass, Parramatta, Sydney, Australia
Parramatta's traffic has gone mad... and that isn't good news for cyclists. Fortunately there is an answer.

Critical Mass, Sydney, Australia
Critical Mass Sydney run a single site as a collective providing some excellent resources not just for Sydney but all the World. Of particular interest is the Fact Pack.