4/9/21 update: someone posted a picture on social media and I am sharing a picture that they have taken sometime today:
3/19/21 update: They’re now hiding them from the plain view during the daylight, but if you go there during the twilight hours, they’re neatly laid out on a tarp like it’s a midnight bike frame flea market. If you want to go investigate, go in a group of 2-3 for your own safety. Bring a means of self defense just in case you become confronted by the business operators.
There is a second hand bicycle dismantling and service related business/industrial activity. City of Portland business license did not indicate a permit having been issued for this location for such business on the sidewalk.