MASS 
 Anniversary - Fri 8/28/1998 6p
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Chicago Critical Mass
Anniversary
Fri Aug 28th 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.
Contact: Michael Burton
ChicagoCriticalMass.org
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2/28 3:09p Left with maybe 32+, arrived five miles later with maybe 20+. Decent turnout for single digit temps. Y'a...
CCM It is a glorious morning for a bicycle commute Chicago #bikechi
CCM RT @CityLab: Is it a motorized tricycle? A seated Segway? Nope, it's a YikeBike http://t.co/WT3e6toAme
CCM RT @activetrans: Last chance to save $5 on MB Financial Bike the Drive! "High 5" for discounts #MBBikethedrive http:…
CCM RT @Commute_by_Bike: Meanwhile in Boston...
CCM RT @theoverheadwire: Vienna plans world's largest wooden skyscraper -
CCM RT @voxdotcom: The Dutch embassy is trolling all of Washington, DC, with this infographic: http://t.co/XBj6ib2Pkn
CCM RT @penguinopph: I can't wait till I can work in only one layer of clothing. #chimess #bikechi #chiberia
CCM RT @ZKM: There's a great feeling knowing that my bikes are clean #bikeChi #bike4lifechicago
CCM RT @GGCyclery: We still have some winter clothing! It's all 40% off and we have the good stuff - @Bontrager and @Pear...
CCM RT @yo_uterus: I cannot wait to be able to go on 2+ hour rides without needing to stop to avoid frostbite! #bikechi
CCM RT @larakattan: If you like econ dev, #bikechi, coffee, help me tell @ChicagoDOT we need a bike rack @greenlinecoffee...
CCM RT @SouthChiVelo: @BFFbikes thank you for the support! #savethevelodrome #bikechi
CCM .@SwimsuitAdd vinyl release @hideoutchicago #bikekids #chicago
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