LAST FRIDAY EVERY MONTH, Embarcadero (fka Justin Herman) Plaza, meet 6
pm roll 6:30. All accounts unofficial.Critical Mass is a mass bike
ride and celebration-protest taking place in cities across the world.
Bring your bike or other wheels and roll along! All are invited and no
one's in charge!
Free time
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10/07/2025 Last update
Embarcadero Plaza, Market St & Steuart St, San Francisco, CA, United States, California 94105
45 Spear St, San Francisco, CA 94105, United States,San Francisco, California, San Francisco, CA, US