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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CCM RT @tokyobybike: It would be wonderful if the freeways constructed for the 1964 Tokyo Olympics were torn down for 202...
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CCM RT @ValaAfshar: A brilliant illustration of how much public space we've surrendered to cars
CCM Omaha just dramatically improved its public transportation without spending any money
CCM RT @ARTCRANK: Looks like a great day for a ride in Chicago. Power to the pedal, Windy City friends! #bikechi
CCM RT @jennik84: A highway as it should be. #bikeCHI #mbbikethedrive #BikeTheDrive
CCM RT @LegacyFrames: Always a great crowd at #mbfinancial #bikethedrive . #bikechi @ Bike the Drive
CCM RT @cutcatschicago: #GetOutside before it gets wet again! #bikeCHI #chimess #yesbro #messlife lolz
CCM RT @thechainlinkorg: Chainlinkers, Sarah and John looking gorgeous for Bike the Drive #mbbikethedrive #bikeCHI
CCM RT @VeganPedicab: #BikeValet is back at the @LSFarmersMarket! #bikeCHI
CCM RT @EricTendian: TRAFFIC ALERT: Lake Shore Drive is now completely OPEN as of 10:43am after Bike The Drive this morni...
CCM Downhill on @Activetrans #bikethedrive #bikechi #chicago
CCM RT @whiskeyknits: 42.6 miles! I feel great! #bikethedrive @ Museum of Science and Industry, Chicago
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