Advocacy group that features news, events and information on the group's activities, press releases, annual art show, and contacts. Also, offers a photo gallery, flyers and FAQs.

Social club dedicated to promoting safe group cycling while highlighting the city as a viable place to tour.

Regional bicycle advocacy for the City and Northeastern Illinois.

Participate in RAGBRAI - Registers Annual Great Bike Ride Across Iowa. Site contains photo gallery, archive, riding events calendar and membership information.

Advocacy group that supports the increase of female bike commuters in the city by providing educational programs, maintenance classes, support and networking.

Starting from Buckingham Fountain at Congress and Columbus Drive in Chicago and going for 25 miles through many Chicago neighborhoods. The area's only after-midnight non-competitive bicycle ride.

Non-profit volunteer organization recovers donated and landfill-bound bicycles, repairs them to working condition, and sells them to Chicagoans at a low cost in order to fund shipments of bicycles and bike parts to developing countries. Discussion forums, surveys, fun facts and projects are showcased.

A USA Cycling group that is comprised mainly of bike messengers.