I used the pedal grabby guys (Da Hanger knockoffs) in my small, street-level 1BR for a year and a half. It worked well but had a few small annoying aspects.
First, I believe Abatross bars were too wide. They fit, just cocked the front wheel a little crooked because the bars hit the wall. The Gorilla Monsoon on top in the photo had 48cm Cowchippers, so ~52cm at the drops and fit fine.
Second, also having to do with bar width, is the overlap point of the top and middle bikes. I couldn’t mount the Gorilla Monsoon in the middle slot because the bars would hit the wheel/spokes of the top bike. So only narrow bars for that slot.
Overall it was a great (and the best possible) solution for that little apartment.
Erik, Philly