MASS 
 Anniversary - Fri 8/28/1998 6p
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Chicago Critical Mass
Anniversary
Fri Aug 28th 1998 6p

Critical Mass is a very large group bike event, gathering in Chicago the last Friday of every month for 15+ years. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
Contact: Michael Burton
ChicagoCriticalMass.org
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CCM For sure. #bikeON
CCM Chicago doesn't need hard working small businesses. Thought you would know that by now roadie. #pay2play
CCM RT @bikechiguide: How to know when you’re passing too close: The person you’re passing lightly smacks you when th...
CCM The thought of you being excited Bruce, excites us. 6pm Daley plaza
CCM RT @eringejuice: Shoutout to the cyclist on Damen who picked up my light after it flew off my keychain into the stree...
CCM Woohoo!!!
CCM RT @jimsey: @DNAinfoCHI was the store wearing a helmet? #bikechi
CCM RT @juliekyay: anyone have an adult tricycle i could borrow for critical mass on friday? my coworker needs a bike! @C...
CCM RT @ChicagoNews360: Chicago man acquitted of animal cruelty after blowing marijuana smoke into chameleon's mouth #Ch…
CCM RT @ChicagoNews360: Lemont Township Seeking Volunteers for Salvation Army Donut Days Collection #Chicago
CCM RT @stolenbikeschi: ICYMI: A TV station in SF did a great undercover chop shop report --
CCM RT @DKConnected_DS: Hey people @ChiCritMass this Friday, it's time!
CCM Awesome!!!!'
CCM RT @MelissaLamkin: I'm devastated. My bike was stolen from inside my office building today. Fingers crossed it's on t...
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