New old stock long seat for the Gilera CB1 moped. Comfy seat for your 4-speed cruiser!
This is the version that is hinged in the front with a post-latch in the rear.
Could fit the CBA model as well? Not sure. These were labeled for the CB1.
Roughly 20" long and 9" wide. Front hinge is about 2.75" wide on the inside and about 14.5" from the center of the hinge to the rear post. Maybe you can fit this onto something else?