MASS 
 Polka Ride - Fri 1/27/12 5:45p
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Chicago Critical Mass
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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9/3 3:35p August 2015 issue of The Derailleur, an unofficial publication of Chicago Critical Mass. Read the entire ...
CCM Re: [*CCM*] There's A Silver Lining To The Rise In Bike Injuries, More people are biking. =v= Here's something I wrot...
CCM August 2015 issue of The Derailleur, an unofficial publication of Chicago Critical Mass. Read the entire issue here:
CCM RT @Honeycoop: If you own one of these Trek bicycles, you may be exposed to accident risks. http://t.co/zAgByOTaUb" …
CCM Best drug in the world
CCM RT @kairex: If the city bothered to ticket or parking in the bike lane, Clark from Diversey to Webster JUST today at ...
CCM RT @bkevenides: Bikes, Beer & Bob Mionske at @anciencycles on Sept 8th. Be there! #bikeCHI #bikelaw
CCM RT @thechainlinkorg: @thoughts_drawn pro remount. #mariastinks Chainlink's Cyclocross 101 #bikeCHI #cyclocross htt…
CCM RT @mashable: Little Lego astronauts are now flying in space with the real ones
CCM RT @CityLab: Late to the bike-share party, L.A. could end up a leader http://t.co/sYNY3d6ZBW
CCM RT @RideOfSilenceCh: "Improving the Kinzie Street protected bike lane to better meet the needs of everyone using it i...
CCM RT @Frank_V_65: @wecanrecycleni @Commute_by_Bike A trailer is great for shopping. This is mine.
CCM RT @classicretro: a great Bmx image....
CCM Stuck the landing. (Vine by @Cubs)
CCM So True!
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