The Bowflex® SelectTech® 552 Dumbbells bring you powerful results with the turn of a dial. This strength training system replaces 15 sets of weights and allows you to adjust them between 5 to 52.5 lbs as you gradually increase your strength. Features easy to use selection dials for weight adjustment with a patent pending locking mechanism that locks only the weight you select.
Features
 
Weight range 5 to 52.5 lbs (2.27 to 23.8 kg) for each dumbbell
Adjusts in 2.5 lb increments
15 weight settings: 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50, and 52.5 lbs
Replaces 15 sets of weights saving you space
Over 30 exercises available to perform
Replaces 15 sets of weights saving you space
On-Demand Strength Classes, keep moving forward with on-demand strength classes designed exclusively for your SelectTech dumbbells
Use Your Own Device Anywhere, Access any workout, anytime, from anywhere with your compatible iOS or Android device.
Dumbbell dimensions (each): 15.75" length x 8" width x 9" height (40 L x 20 W x 23 H cm)
Change resistance with one turn
Patent pending locking mechanism that seeks and then locks only the weight selected
2 year manufacturer’s warranty on all parts
Model: 100130