Lifestyle Ten Awesome Critical Mass Instagram Photos By Shaina Tsan | September 28, 2012, 11:52 pm @hot_chip Pages: 1 2 3 4 5 6 7 8 9 10 Tag: Bicyclists, Critical Mass, Instagram, San Francisco From Our Sponsors UPCOMING EVENTS MAY 09 LUNA - REggaeton y Mas Every Thursday at Parliament MAY 08 Heavy Metal Wednesdays at Delirium Bar MAY 19 Sammy Obeid at San Jose Improv The Best Events Every Week in Your Inbox Thank you for subscribing!