SF Critical Mass

ALT Text overlaid on picture of bikes on Folsom St on an overcast but bright day. “THIS FRIDAY: MAY 26TH 2023; SAN FRANCISCO; CRITICAL MASS; EMBARCADERO PLAZA (END OF MARKET); MEET 5:30PM, ROLL AT 6:30” Bottom left footer: “Photo: @perrierappa (twitter)”

ALT Text overlaid on an image of people riding bikes thru the GGP underground Music Concourse Garage, including a tall bike with colorful LEDs. "THIS FRIDAY: APRIL 28TH 2023; SAN FRANCISCO CRITICAL MASS; EMBARCADERO PLAZA (END OF MARKET); MEET 5:30PM, ROLL AT 6:30" Bottom left: "Photo: @bambipotf (Twitter)"

ALT Text overlaid on a nighttime image of bikes on Fell St next to the panhandle: "THIS FRIDAY: MAR. 31ST 2023; SAN FRANCISCO CRITICAL MASS; EMBARCADERO PLAZA (END OF MARKET); MEET 5:30PM, ROLL AT 6:30"

ALT Text overlain on a dark image of bikes on a sandy beach. Bike lights visible in blue, purple, and rainbow colors, as well as a rainbow triangular flag and "ban cars" mounted to a bike in the background. "THIS FRIDAY: JAN. 27TH 2023; SAN FRANCISCO CRITICAL MASS; EMBARCADERO PLAZA (END OF MARKET); MEET 5:30PM, ROLL AT 6:30"

ALT Orange text overlaid on a night picture of Critical Mass on Kearny Street on September 30, 2022. "THIS FRIDAY: OCTOBER 28TH 2022 HALLOWEEN RIDE! COSTUMES ENCOURAGED! SAN FRANCISCO CRITICAL MASS EMBARCADERO PLAZA (END OF MARKET) MEET 5:30PM, ROLL AT 6:30" "Photo: Chris Partin/Special to SFGATE"

ALT Black-and-white flyer with a gradient of bicycles in a row, "BICYCLISTS!" written above. Text: Reduce Invisibility! Join the New Monthly RIDE HOME TOGETHER! Last Friday of Every Month 1st One: Sept. 25 5-5:30 p.m. Foot of Market St. SF Aren't you SICK & TIRED of having to fight for your life on city streets? Why are we treated like cars by the law, but like obnoxious and unwelcome obstructions by people in cars? WHERE ARE WE SUPPOSED TO GO?! Aren't we doing ourselves and humanity a favor by commuting on bicycle? JOIN US ON THE LAST FRIDAY OF EACH MONTH AND RIDE WEST UP MARKET STREET (Groups will split off to various neighborhoods by their customary routes). Come on your bike and help us all MAKE OUR PRESENCE FELT! (Imagine 25, 500, even 1,000+ bikes heading up Market together!) Sponsored by the San Francisco Bicycle Coalition, Bay Area Bike Action, and the San Francisco Bike Messenger Association MORE INFO: 751-BIKE

ALT Cartoonish imagery of people riding bikes bursting out of the top of a cake. Text on the side of the cake reads "CRITICAL MASS; ONE YEAR OLD!" Signed JRS 93 bottom left. By Jim Swanson.