These parts will NOT work with the Bowflex SelectTech 552 series 2. The difference between the two is the series 1 have a gray tab and the series 2 have a red tab. This is an original Nautilus /Bowflex part and not 3D printed.
eBay
The Bowflex Dumbbell's 552 Series 2 002-2070 #4 is a versatile and durable adjustable dumbbell designed for weight lifting. With a sleek black color and a weight of 7 lbs, this dumbbell is perfect for unisex adults looking to enhance their strength training routine. The Bowflex brand ensures high quality and reliability, making this dumbbell a valuable addition to any fitness arsenal.
eBay
Nautilus / Bowflex 552 Series 2 Disc 3 Replacement. This replacement disc is 3D printed and made from a high quality durable material called PETG. It’s NOT made from the very brittle PLA plastic that other eBay sellers are selling. PLA plastic will crack and separate with little force rendering it useless. This item is for one replacement disc. *****THESE ONLY WORK ON THE SERIES 2, SERIES 2 HAVE WHITE NUMBERS ON THE OUTSIDE WEIGHT DIAL. SERIES 1 HAVE RED NUMBERS ON THE OUTSIDE WEIGHT DIAL*****
eBay
The Bowflex Curved End Cap Plugs are a set of two black plastic plugs designed for use with Bowflex home gym equipment. Specifically made for the Bowflex XP model, these plugs are used for weight stations in a home gym setting. Perfect for home use, these plugs are a convenient and durable option for gym and training activities.
eBay
Instructions - These are very simple to take apart and put back together. There is a few videos on YouTube (search " repair Bowflex dumbbells") that show how to do this. Just be careful not to lose the springs or bearings when taking apart.
eBay
Made of durable plastic and rubber materials, this black weight plate features a 5lb load capacity.
eBay
Nautilus Bowflex 552 Dumbbells Replacement Weight Plate #4 SERIES 1 OEM
eBay
This plate will NOT work with the Bowflex SelectTech 552 series 2. The difference between the two is the series 1 have a gray tab and the series 2 have a red tab. This is the #4 weight/plate and has a weight of about 7.5 lbs.
eBay