Cost: Most events are free

Organizer: Critical Mass

What to expect: Tons of people who just love riding their bikes.

Why to go: You say you hate traffic and/or pollution? Do something about it!

Additional info: The rides kick off at 5:30 p.m. on the last Friday of every month from the Daley Center. Each ride will have a different route. Check out the website for more details.

Centerstage Reviewer: Ben Rubenstein