These parts will NOT work with the Bowflex SelectTech 552 series 1. The difference between the two is the series 1 have a gray tab and the series 2 have a red tab.
Bowflex SERIES 2 SelectTech 552 Dumbbell Replacement Handle Grip Holder Part
Bowflex 552 Series 2 SelectTech Dumbbell Replacement Weight Guard Handle Part
