MASS 
 Quarry ride - Fri 4/27/12 5:45p
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Chicago Critical Mass
Quarry ride
Fri Apr 27th 2012 5:45p

Critical Mass is a very large group bike event, gathering in Chicago the last Friday of every month for more than a decade. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
ChicagoCriticalMass.org
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CCM RT @stevevance: Nah
CCM RT @urbanthoughts11: Imagine them in cars 😱
CCM RT @mHUBChicago: C-Corp or S-Corp? Do you know the right entity for your business? Learn about the tax implications o...
CCM RT @greenfieldjohn: Bummer: Today's Bike Week Rally has been postponed due to the rain. On the bright side, later tod...
CCM RT @ccc_scoop: Tomorrow - annual Bike to Work rally 6/21 - new time and format. After work at Daley Plaza. See you th...
CCM That is awesome!!
CCM RT @BicyclingMag: 5 drivetrain mistakes that will cost you big time: https://t.co/CCW3bK1H7n
CCM RT @chimaribel: A unique Chicago #cycling #map w/chill routes throughout the city that won’t add stress to your ride
CCM RT @greenfieldjohn: Hey @GregHinz of @CrainsChicago (a talented transportation reporter, BTW), have you checked out t...
CCM Sweet!!
CCM RT @AnjulieRao: If you know me, I love riding the lil orange racer into work but I’m never in a rush to go sit at a...
CCM RT @bkevenides: Ald. Joe Moreno asks driver to move her car out of bike lane and is accused of impersonating a police...
CCM RT @davenewbart: This is for you, Chicago bikers
CCM RT @Lyndab08: Does anyone else sometimes ride outside the bike lane to avoid getting doored? Drivers just aren’t us...
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