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What Is a Non Electric Treadmill? It can be difficult to replicate outdoor running with no weather conditions. One way to do so is by using non-electric treadmills like a curved manual treadmill. Motorized treadmills may come with more advanced features, such as LCD or LED displays, preset workout programs and interactive features, as well as speakers. However non-motorized treadmills are good for those who prefer to regulate themselves with each step. What is a Manual Treadmi