MASS 
 Underwear Mass - Fri 7/30/10 6p
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Chicago Critical Mass
Underwear Mass
Fri Jul 30th 2010 6p

Critical Mass is a very large group bike event, gathering in Chicago the last Friday of every month for 20+ years. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
Contact: Barbra R
Facebook.com/ChicagoCriticalMass
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CCM Nice!!
CCM RT @BrentToderian: “We found that there’s this perfect one-to-one relationship. If a city increased its road capa...
CCM RT @LinBrehmer: Just a warning: when next week’s early polar vortex shatters 170 records for cold temperatures, som...
CCM RT @stevevance: Lynda for CDOT commissioner
CCM RT @mashable: A new way of cycling is coming with airless tires that never go flat
CCM RT @StAugGatorFarm: Send some love to Chance the Chicago Alligator! 💚🐊💚 He is eating well and hanging out wi...
CCM RT @yo_uterus: I can’t be there tonight but you should go. Fuck this bullshit. Mandate side guards, charge the driv...
CCM RT @streetsblogchi: RE: today's bike fatality in Irving Park: -2nd bike death in the area in a week -3rd CHI bike fat...
CCM RT @greenfieldjohn: Good coverage of today's bike fatality in the Trib by @marywizchicago and @elaineywchen: This…
CCM RT @jessiesingernyc: there is no better evidence than a run-over ghost bike that this city's leaders are fine with us...
CCM RT @streetsblogchi: .@bikelaneuprise is organizing a human protected bike lane event to honor the female cyclist, 37,...
CCM RT @bikelaneuprise: @USDOT @ChicagoDOT @ABC7Chicago Thread: We've created a Facebook event for tonight's people prote...
CCM RT @WeAreCyclingUK: "I haven’t really been going for it, the miles have just naturally piled up" Russ 'mile-eater' ...
CCM RT @hell0babs: Please try to make it tonight if you can and spread the word #bikechi
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