screws on crank are 5 inches apart. The next piece is 3.5 inches from rivet to center of gear. Next piece is 4 inches rivet to center of hole.
Thank you
Jeff
Tom from SWISCO responded:
September 2, 2021
Hello, Jeff. It's tough to make out what you have from these photos but I am reminded of our 39-090 and 39-089. Look these two products over and let me know how they match up.