From ArborWiki

Bike Fest occurs in conjunction with the Ann Arbor Green Fair. You’ll find Bike Fest on Liberty Street between Ashley and Fourth Ave. The Main Street Area between Huron and William will be closed to regular auto traffic, but remain open for pedestrians and cyclists.

Ride downtown with family or friends for an evening celebrating and showcasing the local biking and environmental community.

Friday June, 13, 2008 6-9p.m.

http://www.getdowntown.org/programs/events/Bike_Fest