MASS 
 Subject to Change - Fri 2/27/1998 6p
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 32F NW3-10 Overcast 64h
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Polka Mass!
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.
Contact: Unknown
ChicagoCriticalMass.org
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CCM RT @HSCompost: #HappyFriday #bikechi #havefun
CCM RT @po_campo: Some helpful tips for #winterbiking from @ChicagoAthlete #bikeCHI
CCM RT @ChiLifeRealty: .@chicagotribune describes the development of a #CMAQ-funded bike path along Old Orchard Rd. in #S...
CCM I want snow donuts in Chicago!!
CCM Nice!👍🏻
CCM RT @CityLab: Some bike infrastructure is worse than none at all https://t.co/UkFYVVZkTt
CCM RT @CyclingChap: @activetransLFT #ChiLFT path is looking good Ardmore-->North Ave. Blue salt for all
CCM RT @core77: Whoa. Snowball machine gun - https://t.co/mKy82Yco7E
CCM RT @chicagoriver: Great day to install an osprey pole by the Chicago River. Learn more about habitat projects on the ...
CCM RT @WAbikes: Black History in Bike History https://t.co/JAKhsyrgNA
CCM RT @nigreenways: Happy Birthday John Boyd Dunlop! Belfast-based father to the modern bicycle thru his development of ...
CCM Damn!
CCM RT @BreezeNetwork: Can't beat that #FridayFeeling - will you be getting your bike out this weekend?
CCM RT @edgarvnovobot: I want to ride my bicycle. #bicycles #bikes #cycling
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