Escalate.  The Ultimate User Experience.  Setting a new standard, the Escalate 550 Series redefines the stairclimber product category through its Smart Step—Height™ value proposition by offering the broadest range of users from fitness enthusiasts, who recognise the value in being able to regulate step height intensity to active agers, to beginners or those engaging in post—surgery progressive exercise, a spectrum of 20 different step heights 4” through 7.7”.  Variations in incline, speed and exercise settings allow for a training and exercise experience that is more versatile than any other stairclimber has been able to offer.