TRNR | Stength Tube

Do you want to build great strength without the risk of strain? The TRNR Strength Tube packs a punch and, because the resistance increases exponentially, reaching its peak intensity at the end of the range of motion, it lets you stay well in touch with your own abilities to prevent the dreaded injury. Strategically placed at the core of the Strength Tube, our innovative string also ensures that the tube cannot be extended past its maximum stretching capacity and point of rupture.