'Critical Mass' Bicyclist Assaulted By Police Officer (VIDEO)

Critical Mass, the bicycle-awareness bike ride that occurs monthly in many cities, often has run-ins with authorities, who aren't so keen on public thoroughfares being taken over by non-polluting vehicles, free spirits or, evidently, the guy in the video below.

The last time we saw a hit like that, it was on ice, with pads, and a Detroit Red Wing was being introduced to the front row of the Pepsi Center in Denver via a vicious hip-check. WATCH:

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