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 15+ years. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
Contact: Barbra R
ChicagoCriticalMass.org
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9/18 7:16a Peace CCM, Southside Critical Mass community bike ride is official! We launch tomorrow (Friday, Sept 19)...
CCM RT @NWSChicago: Latest thoughts on strong-severe t-storm potential Saturday. For entire details go to FB page http:…
CCM NEW "Bottle Presenting VIP Tray"..
CCM RT @copenhagenize: #ibikebecause it's the quickest, most convenient AtoB. End of story.
CCM RT @bruce_katz: Here's what a city of ~5 million looks like in the US vs in Spain. #infrastructure decisions matter #...
CCM RT @ChicagoBreaking: Evanston man diagnosed with West Nile virus
CCM “@FactHive: Studies show that popular kids in high school earn more money in the long run than less popular kids....
CCM @lakeshorescribe @cta & they wonder why ridership on Chicago public transportation is down. Your have a more enjoyabl...
CCM RT @thisislakeview: Hey #BikeCHI: Come test out kids bikes at #SundayPlaySpot with @HeritageBicycle & @ontheroutebike...
CCM You're invited to Brooklyn Boulders + the Chicago Active Lifestyle... (Sep 30, 2014) Hello, You are invited to the ...
CCM Checking out "9/19 Southside Critical Mass: Inaugural Ride" on The Chainlink: #bikeChi starts at 6:30
CCM RT @ktWhitehead: 'Slow Roll' biking movement aims to revitalize Chicago neighborhoods Awesome program. #bikeChi
CCM RT @NoelAmadeus: Riding into work today and so happy to see this is still open. #runchi #bikechi #summerdontgo @ Engi...
CCM RT @aka60643: Utility excavation on Washington betw #Dearborn and #State. Lane closures. Major delays. #bikeCHI detou...
CCM RT @Pedal2thePeople: Photo: Cool #discovery today.A prayer #wheel from #Nepal. #pedaltothepeople #bikechi #mobile #re...
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