This is lightweight and collapsible. Canbe stored in your wardrobe or self. Folding-unfolding is simple and easy. It doesn't skid from it's place. No need to use any mat under it. Doesn't topple. Sturdy finished. Best thing, you don't have to assemble it. You get perfectly installed ready to use bike. Thank you, Amazon for such a useful item at reasonable price at my doorstep.