Xterra tr66 treadmill the xterra tr66 treadmill is great whether you are preparing for a major event or simply taking a leisurely stroll either choose to walk or run and the large 20 x 60 xtra soft cushioned deck will keep you compfortable by minimising impact and reducing the stress on your joints for ease of use handlebar remote controls allow you to quickly adjust speed and incline you will also be able to stay motivated by listening to your music vie the audio input and console s