MASS 
 Subject to Change - Fri 2/27/1998 6p
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UndieMass
Subject to Change
Fri Feb 27th 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. July 2015's ride advocates for gender equality in top-free rights. http://facebook.com/events/447061328799726
Contact: Unknown
ChicagoCriticalMass.org
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7/31 8:36p ~1823-1899 North Ridgeway Avenue
CCM Next year1
CCM #lollapalooza #chicago
CCM Unbelievably sad
CCM RT @london_cycling: Traffic lights with rain sensors to give priority to cyclists on wet days, wow! Plans for Dutch c...
CCM RT @RedditBicycle: Did I buy a stolen bike? What should I do?
CCM [*CCM*] Pictures from Friday ride Pictures from the July "Underwear" Critical Mass ride!
CCM RT @ChaseAfterACure: 14-Year-Old Illinois Girl to Swim Across Lake Michigan for #CancerResearch: 'I Want to Help Find...
CCM [*CCM*] Bikes could ride on South Shore trains by spring Thanks to Bob H. of South Shore Trails for this article ! (Y...
CCM This was great! Thanks for organizing.
CCM RT @JLeslieMonique: The secret of beating traffic: Get a bike. #bikechi
CCM RT @bikechiguide: If the city/state treated bicycling as generously as motoring there would be double deck bike lanes...
CCM RT @FPDCC: Details coming soon... RT @matt_kiefer: Hey look bikeshare in @FPDCC #bikechi
CCM Bummer I know how that goes. Hope to see you next month
CCM RT @BDY60614: @AldermanSmith43 @ChiCritMass From the other side of the hill #OzPark #bikechi
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