Yes The width of running belt of electric treadmill is related to the design speed of treadmill. When the maximum design speed of the treadmill is 6 kilometers per hour, the length and width of the running belt are not less than 1000mm and 325mm respectively. We become this kind of "walking machine", which can only walk but not run. At present, the maximum design speed of most running treadmills on the market is 16 km/h. The national standard requires that the length and width of the running belt of this treadmill should not be less than 1200mm and not less than 400 mm. ..