Chicago winter biking guide: Tips for year-round cycling - Curbed Chicago

These Chicago cyclists ride through winter and love it.

Winter bicycling in Chicago: Experts who do it offer a survival guide - Chicago Sun-Times

How to Ride Your Bike Through a Chicago Winter and Enjoy It

Chicago - Wikipedia

Biking In The Winter Online

Tips For Riding Your Bicycle During The Winter Canadian Cycling Magazine

Bicycle-sharing system - Wikipedia

Cyclistic: How Does a Bike-Share Navigate Speedy Success?, by Yusri Jamain

Heat waves: Night-time temperatures a danger

Winter Biking in Chicago: A Guide to Gear, Care and Everything Else You Need to Know : r/chicago