A critical mass of police bikes

Look at all of them Los Angeles bike patrol officers. Police officers prepare to patrol on bicycles outside the Michael Jackson public memorial service held at Staples Center on July 7, 2009 in Los Angeles, California.

See also:

1. SF Police Chief: Another Critical Mass crackdown?
2. Stevens Canyon Critical Mass
3. A critical mass of folding bikes
4. LAPD to participate in Critical Mass