Xterra fs39e elliptical trainer the xterra fs39e elliptical trainer is a heavy duty elliptical machine it offers an oversized 18 stride pattern an 86kg balanced elliptical flywheel and comfortable oversized pivoting footplates that mimic the natural roll of your feet also 15 motivational programs are packed into its stylish dual colour lcd computer consolethe handlebars have been specially developed so that you will always enjoy comfortable and ergonomically sound non impact workout