Chicago is awesome for biking! There are tons of trails, good bike lanes, lots of shops, clubs and organized rides.

Check out these links for more info on Chi and IL biking (and pm me if you have questions)

http://www.activetrans.org/
http://www.chicagobikes.org/index.php
http://www.bikelib.org/
http://www.fpdcc.com/tier3.php?conte...8&file=map_68e

Katie