To get the maximum benefit out of the P90X workout, you need the proper equipment-this is where P90X adjustable dumbbells come in.
How Adjustable Dumbbells Work
Traditional free weight systems require a complete set of dumbbells in every weight increment, which can take up a lot of space and require constant switching between several different dumbbells to get the specific weights that you want.
Adjustable dumbbells are a simple and smart solution to that problem. Using various locking and weight selection mechanisms, adjustable dumbbells allow the user to change the weight of the dumbbell without having to change the dumbbell itself.
Advantages of Adjustable Dumbbells
Selecting the weight you want is as simple as turning a dial or flipping a switch and can take only seconds to change your weight selections.
Adjustable dumbbells are very compact and can replace up to 40 dumbbells, cutting down on clutter and leaving you with more livable space. Also, most adjustable dumbbell sets have an optional corresponding stand to hold the weights—when in use, as a platform and when not in use, as a storage option.
There is no need to purchase an entire set of dumbbells (traditional dumbbells can cost anywhere from $400-$1000). With adjustable dumbbells, you simply buy the set.
There are many brands of adjustable dumbbells available today. Among them, the Bowflex SelectTech, the ProForm ProQuick, the Stamina 50 Pound Versa Bell, the Lifecore Corebell and PowerBlock. Only the Bowflex SelectTech, featuring Dial-a-Weight Technology, however, was designed specifically for the P90X workout. It combines 15 sets of weights into one, using a unique patent-pending locking mechanism.
Each dumbbell has a base, interlocking weight disks, a handle and a dial for selecting the desired weight. To select the weight you want, simply turn the dial knob on both sides to the weight you desire and lift the dumbbell out of its base. The handle will pick up only those specific weights that add up to the weight you selected. Leftover weight plates remain in the base.
Replaces 15 sets of weights. Weights adjust from 5 to 52.5 lbs.
Weights adjust from 10 to 90 lbs. Easy-to-use selection dials for adjusting weights. Replaces up to 17 pairs of dumbbells.
SelectTech Dumbbells with stand, a 5.1 Adjustable Bench and a Bowflex® Machine Mat made of thick, non-skid rubber.
Types of Bowflex SelectTech Dumbbells Available
Bowflex SelectTech 220 Dumbbells
The Bowflex SelectTech 220 model allows you to change the resistance from 2.5 lbs to 20 lbs, in 2.5 lb increments. Bowflex no longer manufactures the SelectTech 220, however, you can still find it for sale on many sites.
Bowflex SelectTech 1090 Dumbbells
For serious weightlifters, the 1090 model allows you to change the resistance from 10lbs up to 90lbs, in 5 lb increments. There are 17 weight settings (10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, and 90 lbs). The main difference between the Bowflex SelectTech 1090 and the Bowflex SelectTech 552 Dumbbells is the amount of resistance offered. The Bowflex SelectTech 522 offers resistance up to 52.5lbs, while the Bowflex SelectTech 1090 offers considerably more, at 90 lbs.
Bowflex SelectTech 552 Dumbbells
The 2009 model, the Bowflex SelectTech 552 allows you to change the resistance from 5 lbs to 52.5, in 2.5 lb increments and there are 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). For some, the 552 model offers a better range of weight settings.
Bowflex SelectTech can be pricey; expect to pay around $399 for a new set, plus shipping and handling.