This is for the Series 2 (will not work with Series 1 weights) of the Bowflex 552 model. The difference between the series is the Series 1 handle has the word Bowflex written on a gray piece and the Series 2 the word Bowflex is written on a red piece.
eBay
eBay
Bowflex SelectTech 552 Series 2 Dumbbell Weight Plate #4 2nd Largest 002-2070. Condition is Used. Shipped with USPS Ground Advantage.
eBay
Color is solid black but may look a little different due to the lighting. The series 1 have a gray tab on the handle and the series 2 have a red tab. Each order includes only one weight/plate. I have used weights for the 552 Series 2, used weights for the 552 Series 1 and new weights for the 1090 model.
eBay
Bowflex 1090 / 552 / 221 1 x Spring and ball bearing Also note I have all spare bowflex Parts for sale in the other listings. Delivery available worldwide 
eBay
Made of high-quality plastic material, this adjustable dumbbell is perfect for strength training and weight lifting activities. The discs are designed to fit perfectly and provide a smooth grip, ensuring that you can complete your workouts with ease.
eBay
Good used condition.
eBay
I put one of each weights in this set. All together they weigh almost 30lbs.
eBay