On Saturday, July 3, 2021, two of us are riding into downtown Chicago.  We're going to be there from mid-morning to mid-afternoon before we take our bikes on Amtrak up to Milwaukee.  Is there a place in the Loop that we can arrange for a secure indoor place to lock up our bikes?  McDonald Cycle Center looks ideal, but it's still closed and I've gotten guidance it's not likely to open by 7/3. Also don't know if it's open on weekends normally.  I know there are bike racks, and they'll probably do…See More