The nordic track x9i incline trainer has the large range of incline and even decline settings ever this treadmill machine goes from 6 to 40 percent incline range cushioning absorbs the impact for everyone to have a smooth and comfortable workout ifit bluetooth app the ifit bluetooth tablet app allows you to take full control of your experience with your bluetooth enabled fitness equipment ifit bluetooth is the new version on the current ifit module set up the benefits being that the end u