Bike Racks at 4th and 23rd designed by Alli Sloan Posted on: October 31st, 2016 Bike Racks at 4th and 23rd designed by Alli Sloan and built by Sloan and Brandt Deeds, summer 2016. Bike Racks at 4th and 23rd designed by Alli Sloan and built by Sloan and Brandt Deeds, summer 2016.