MASS 
 Full Moon - Fri 9/24/1999 6p
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Chicago Critical Mass
Full Moon
Fri Sep 24th 1999 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: David Z.
ChicagoCriticalMass.org
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CCM RT @BicyclingMag: UVEX is recalling 47,000 helmets due to two defects: http://t.co/v49cosnaRr
CCM RT @TwoWheeledTank: Equality for all cyclists: The social justice case for mass #cycling
CCM RT @BurleyDesign: Caption this! #burleytrailer
CCM RT @BikeBloNo: Thanks to @WGLTNews for their hour-long bike special on #SoundIdeas today! Listen: (@NormalILL @cityb…
CCM RT @SS_Coffee: How are you decking the halls by bike? @MomentumMag is collecting stories with #shopbybike
CCM RT @planetizen: Even planning geeks need to dress up sometimes. Check out Planetizen's City Plan & Transit Neckties:
CCM RT @WipeHomophobia: We only have 80 hours to reach our target - PLEASE HELP !
CCM RT @stevevance: I taught @SlowRollChicago how to edit #bikechi lanes in @openstreetmap last night for their bike lane...
CCM RT @JLeslieMonique: Free bike maintenance workshop hosted by Blackstone Bicycle Works! RSVP!!! #bikeCHI
CCM RT @BronzevilleBike: MT @thechainlinkorg: Jan. 17th Chicago Winter Bike Swap at @HarperCollege 100s of new + used bic...
CCM RT @jonesbrettw: America's 10 best new bike lanes of 2014 Broadway in #bikeCHI in at #10. Also, Pitt did theirs in j…
CCM RT @DivvyBikes: Yep :-) RT @vitaliyv: Even in freezing weather, @DivvyBikes can be the best way to get from Pt. A to ...
CCM RT @BicyclingMag: On the anniversary of the Wright brothers' flight, a story of their inspiration: the bicycle http:…
CCM RT @CityLab: Surprise! The rich are now richer than everyone else by the widest margin since we started keeping track
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