All Weather Sports 
Includes information on winter cycling, an Iditasport tip sheet for bike setup and running this cold-weather event, and online ordering of Nokian studded tires.
http://www.allweathersports.com/Chicago Bike Winter
Provides support, networking and resources in support of cold weather biking in the Chicago metro area. Includes events calendar, links, tips, and contacts.
http://www.bikewinter.org/
Pete Hickey's Winter Cycling
Personal page offering advice, photos and resources on how to properly bike, keep warm and safe while riding - all while heading into work.
http://mudhead.uottawa.ca/~pete/bike.html
BicyclingLife.com: Winter Cycling
Includes advice on safely riding during cold weather, including equipment, clothing, and expectations.
http://www.bicyclinglife.com/Recreation/wintercycling.htm
Roads to Resources
The story of a winter bike trip in Canada's arctic. Includes route map, trip report, photos and gear report.
http://www.bikeforest.com/arctic
BikeForums.net: Winter Cycling
A winter biking discussion forum. Topics include clothing selection, dealing with ice, snow, and temperature changes.
http://www.bikeforums.net/forumdisplay.php?forumid=53
