The WalkingPad X21 is a WalkingPad you can actually get up to a decent speed on. It is one of the brand’s larger treadmills, but at only 82 lbs, it is still extremely small. It also double folds up so you can store it completely out of the way. Is the X21 worth its price for its convenient and storable design, though? In our WalkingPad X21 Treadmill review, we put it to the test. Find out if you can use it in your apartment here.
