Detroit Bikes is a US-based company that specializes in manufacturing bicycles, including electric bikes, A-type bikes, B-type bikes, Cortello bikes, Sparrow bikes, and Sparrow frames. They offer a range of accessories and clothing for biking enthusiasts. Detroit Bikes operates a 50,000 square-foot factory in Detroit where they produce high-quality American Chromoly steel bikes, with the capacity to produce up to 150 frames and assemble up to 400 bikes per day. They also provide OEM manufacturing and high-volume bicycle assembly services. The company aims to make the bike owning experience enjoyable and promotes cycling as a sustainable mode of transportation.