The xterra fs40 crosstrainer will be a non impact piece of training equipment that will allow you to burn calories and improve your cardiovascular endurance this has a 18 stride length which will provide a smooth and constant experience when using the fs40 as well as this it has a 6 blue led screen where you can easily monitor you training session the console is beautifully designed and it is incredibly easy to get going just press start and you re ready to go key features of the xterra fs4