MASS 
 Full Moon - Fri 9/24/1999 6p
  Masses
See list of ALL rides/groups/channels/events.
  Archive
Archive of past maps for this mass.
WEATHER 
 Fair 64F E9
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
Full Moon
Fri Sep 24th 1999 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: David Z.
ChicagoCriticalMass.org
Plot   News   More
 
Find Nearby
Train stops, bike shops, entertainment, parks, ...
 
More
Directions, plot, catchup, games, tools, other rides, ...
CCM RT @redeyechicago: The #blackhawksbikes zipping around Chicago this week each have a player's # on the front: http:/…
CCM RT @redeyechicago: Millennials are statistically less grumpy about Chicago than older adults. (Duh?)
CCM RT @bkevenides: THE MECHANICS OF A CRASH: via @YouTube From Giro. #bikeCHI
CCM @Deprogrammer9 what is the date?
CCM RT @WorkingBikes: Had a great time helping out with @AldermanSolis 25th ward bike ride on Sunday. Thanks also to @gop...
CCM You are Invited!
CCM Can we work together? From: Mrs. Cristina Pangan. Credit and Investment Director, Bank of the Philippine Islands, 168...
CCM Re: [*CCM*] Southside Critical Mass, tomorrow evening Hey Anne - Will do it now, thanks! Oboi --- Olatunji Oboi Reed...
CCM =?UTF-8?Q?HI? Attention please, I Khaid Aziz Junaidi.i am working with Cimb Bank malaysia I got your contact from wor...
CCM X1 Water Bike With Inflatable Pontoons for Easy Transport Cool!
CCM A Hybrid Bicycle Built for the Changing Needs of City Dwellers
CCM Trek Bikes' New Commuter-Focused Model: Lync: Powerful built-in head and taillights for a more convenient and safe r…
CCM RT @inhabitat: 19 Central American Coffee Farms Now Generate Energy from Wastewater
CCM RT @inhabitat: Engineering Students Create the World’s First Unstealable Bike
 Chi.Bike  © 2014 Andrew Bedno