WIsconsin State Fair Exposition Center Location 8200 W GreenfieldWest Allis Next Event Wheel & Sprocket Bike Expo Sale - Apr 11 - Apr 13 - 12:00 am Loading Map.... WIsconsin State Fair Exposition Center8200 W Greenfield - West AllisEvents 43.017811 -88.0146 Upcoming Events Wheel & Sprocket Bike Expo Sale - Apr 11 - Apr 13 - 12:00 am