Xterra tr1 treadmill the xterra tr1 treadmill is a product that delivers excellent performance exceptional reliability whilst boasting the simplicity many other products cannot thanks to its superior quality motor and high spec internal components this great little treadmill delivers a top speed of 16km10mph and 12 levels of challenging incline both smoothly and quietly not only that its simple to use and easy to set up key features blue backlit lcd console 24 pre set pro