MASS 
 Underwear Mass - Fri 7/30/10 6p
  Cues
Read cues and notes for this mass.
  Masses
See list of ALL rides/groups/channels/events.
  Archive
Archive of past maps for this mass.
WEATHER 
 Overcast 71F E5
NEWS 
 Live feeds, locations, chat, pics, data, ...
  Plot
Plot where this mass has traveled.
  Post
Post by web, email, photo, SMS, ...
  Recorder
Route log, speedometer, ridecast.
  Connect
Facebook login for personal features.
MORE 
 HELP, intro, history, videos, ...
  Nearby
Find services, sites, food/bar, train, ...
  Directions
Get directions between any two points.
  Tools
Police radio, lights, people counter, links...
  Bikker
Bicycling Danger Action Game!!!
  Shop
Donate. Free stickers.
  Search
Search this site.
Chicago Critical Mass
Underwear Mass
Fri Jul 30th 2010 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: Barbra R
ChicagoCriticalMass.org
Cues   Plot   News   More
 
Find Nearby
Train stops, bike shops, entertainment, parks, ...
 
More
Directions, plot, catchup, games, tools, other rides, ...
CCM @The_Heckler isn't that every home game, bro
CCM RT @Oregonian: Mattress flies off Zipcar rental, strikes cyclist, spurs $999,999 lawsuit
CCM RT @aomuse: I biked 5.56 mi with @mapmyride. Check out my route in Hyde Park, IL, United States! #bike #cycling
CCM RT @LincolnPrkPatch: How often does someone die due to drunk driving? The answer may surprise you. http://t.co/Dc049…
CCM RT @ShawnRTV6: It's a legit question
CCM RT @RIDOcyclesaddle:
CCM RT @ChicagoWatchs: Alderman's sister named CPS principal despite failing eligibility test - Chicago Tribune
CCM RT @HoneycombCHI: Happy Friday Honeycomb Project friends! What do you most enjoy about volunteering? What kind of vol...
CCM RT @voxdotcom: How Americans earn and spend money, from childhood through their golden years: http://t.co/GcXZECltcA
CCM RT @etroach: Hey #bikechi blocked by a vehicle in a PBL? Tweet a pic and add #enforce940060 - @CJettR is leading the ...
CCM RT @activetrans: RT @FPDCC: The Centennial Trail alternate route connection will be closed 8/1 - 9/30. What you need ...
CCM RT @ILBicycleLaw: 🚲 Happy Friday! Have a great weekend #cycling, #bikechi
CCM RT @CJettR: @ChicagoDOT @ChicagosMayor why park in the lot? use the bike lane @Chicago_Police #enforce940060 #bikechi
CCM RT @AbbyMPC: Nice! Though why #'s? RT @etroach: Hey #bikechi blocked by vehicle in PBL? Tweet pic & add #enforce94006...
 Chi.Bike  © 2014 Andrew Bedno