MASS 
 Polka Ride - Fri 1/27/12 5:45p
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 74F NW6 Clear 44h
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UndieMass
Polka Ride
Fri Jan 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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7/31 8:37p ~1823-1899 North Ridgeway Avenue
CCM BUSINESS OFFER-AU GOLD DUST & BARS Hello Friend, How are you? I hope your doing fine together with your beloved famil...
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
CCM That was frickin' brilliant, congrats. You will forever have been the first mass to have taken the 606. And it went p...
CCM What a great experience
CCM Hey guys, I'm excited to announce that Lyft can collaborate with the event and offer a free $20 ride to everyone who ...
CCM  ~1823-1899 North Ridgeway Avenue
CCM  ~1823-1899 North Ridgeway Avenue
CCM  ~1823-1899 North Ridgeway Avenue
CCM  ~1800-1820 North Ridgeway Avenue
CCM  ~1800-1820 North Ridgeway Avenue
CCM  ~1800-1820 North Ridgeway Avenue
CCM  ~Bloomingdale Trail (~1800-1820 North Ridgeway Avenue)
CCM  ~Bloomingdale Trail
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