The 3G Cardio Pro Runner is the perfect treadmill for those who want quality but also need to conserve space. While there are many folding treadmills on the market today, the Pro Runner Treadmill offers users the unique ability to have a high quality and space saving treadmill all in one! Most folding treadmills lack the quality needed to run at higher speeds or longer distances but that is not the case with the Pro Runner Treadmill. It is important to take good care of your treadmill ( the walking surface or underneath the belt). Use a 100% pure silicon lubrication will also improve the performance of the treadmill by reducing the heat and friction that occur during workouts.