This disc will only work on the Series 2 (will not work on Series 1) of the 552 model and is an original authentic Bowflex product and not 3D printed. It is in good condition with no cracks and fully functional.
Dumbbell Handle Replacement BOWFLEX 552 Series 2
Original Bowflex 552 SERIES 2 ONLY Dumbbell Replacement Handle Repair Parts Disc
Bowflex 552 Series 2 SelectTech Dumbbell Replacement Weight Guard Handle Part
Bowflex / Nautilus Selecttech 552 Series 1 Disc 2 3 4 5 Bowflex Disc Replacement
Brand new Bowflex 552 Replacement Handle Series 2
Replacement Discs for Bowflex SelectTech 552 Series 2 - #2, #3, #4, #5, Full Set