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 
 Mostly Cloudy 76F E7
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 Check out these NEW PRODUCTS..
CCM RT @FujiBikes: #CHI BLACKLINE features a custom steel frame with a single 2inch main tube #bikeCHI @mnml_studio x…
CCM RT @mmkindred: Let IDOT know what you think of the new PBL proposed on Clybourn Ave! DOT.D1.ClybournPBL@illinois.gov ...
CCM @OREGONMANIFEST @MNML_Studio @methodbicycle #bikeChi let's get out the vote!
CCM RT @OREGONMANIFEST: BLACKLINE #CHI: Built by @mnml_studio + @methodbicycle. VISIT and VOTE: #Manifest14 #bikeCHI ht…
CCM Artists Required Immediately REPRESENTATION FOR UNDER $20 PER MONTH You get the following - A professionally produced...
CCM Re: [*CCM*] Metra Service Alert - System Wide - Lollapalooza Alcohol & Bike Restrictions - August 1, 2014 thru August...
CCM Filming of @chicagofire TV show at Milwaukee/Clinton streets are closed. #bikechi #ChicagoFire
CCM Re: [*CCM*] Metra Service Alert - System Wide - Lollapalooza Alcohol & Bike Restrictions - August 1, 2014 thru August...
CCM RT @alexsoble: @TacoCatNelson @ChiCritMass @240front @DivvyBikes @crestodina The influence of the Lakefront & Milwauk...
CCM RT @MajorTaylorChi: Interval training tomorrow. Be there. @WorkingBikes @arielchump @vagabondstroll @banoonoo @Q2Bi…
CCM RT @TacoCatNelson: Hey Chicago, bike "trains" in L.A. make for safer bike commutes #bikechi Story via @nprnews http…
CCM @ILBicycleLaw @TreeHugger815 @activetrans Mike your Awesome!
CCM Milwaukee ave from Lake St. to Fulton closed for #ChicagoFire TV filming. #bikeChi
 Chi.Bike  © 2014 Andrew Bedno