Worldwide Critical Mass Hub
Sports, Cycling, Commuting and Advocacy, Critical Mass - Worldwide Critical Mass Hub. Comprehensive guide to local Critical Mass sites in cities all over the world.
http://criticalmassrides.info/
Boston Critical Mass
Sports, Cycling, Commuting and Advocacy, Critical Mass - Boston Critical Mass. Bike advocacy organization.
http://www.bostoncriticalmass.org/
Chicago Critical Mass
Sports, Cycling, Commuting and Advocacy, Critical Mass - Chicago Critical Mass. Features news, events and information on the group's activities, press releases, annual art show, and contacts.
http://chicagocriticalmass.org/
bikecommuter.com
Sports, Cycling, Commuting and Advocacy - BikeCommuter.com. Contains articles and information intended to promote awareness of the multiple benefits resulting from the development a more bike centric transportation lifestyle.
http://www.bikecommuter.com/
Commuter Bicycles
Sports, Cycling, Commuting and Advocacy - Commuter Bicycles. Features recommentations for bicycle designed and equipped specifically for commuting and transportation as opposed to recreation.
http://commuterbicycle.com/
Self-Propelled City
Sports, Cycling, Commuting and Advocacy - Self-Propelled City. Informative site containing many articles on the choice of a bicycle as one's preferred means of transport.
https://www.self-propelled-city.com/
Bicycle Commuting Now
Day-to-day antics/hysterics/views from Syracuse, Upstate Central NY, promoting Bicycle Commuting and other sustaining lifestyle choices as viable options in today's culture.(Formerly located in Harrisburg, PA)
http://bicyclecommutingnow.blogspot.com/