Join us for Back Alley Bikes Volunteer Night! on November 19, 2026, from 5:00–8:00 PM at Back Alley Bikes, 3611 Cass Ave., Detroit, MI 48201, United States. Help build bikes for kids and adults, process donations, and sort parts. Please note: Back Alley Bikes is located behind the Hub of Detroit in the alleyway. Due to nearby construction, additional free parking is available on Brainard.