Joined: Sep 2015
Posts: 1,300
Likes: 210
From: Ottawa, Ontario, Canada
Bikes: TrueNorth CX bike, 88 Bianchi Strada (currently Sturmey'd), Yess World Cup race BMX, Pure Cruiser race BMX, RSD Mayor v3 Fatbike
You can probably find a top-load 1" threaded stem on garbage day if you drive around.
It's probably 15-30min to get that running as is - put a couple tires on, slap a rear brake lever & cable on there and go.
Good luck with your project.