Lifestyle Ten Awesome Critical Mass Instagram Photos By Shaina Tsan | September 28, 2012, 11:52 pm @davelloyd Pages: 1 2 3 4 5 6 7 8 9 10 Tag: Bicyclists, Critical Mass, Instagram, San Francisco From Our Sponsors UPCOMING EVENTS MAY 16 Throwback Thursdays at Delirium Bar MAY 10 REMEMBER ME at Chung 24 Gallery JUN 01 SF Funk Pop Dance Party with SEVERE THRILL at Local Edition The Best Events Every Week in Your Inbox Thank you for subscribing!