Sole F63 vs F80 vs F85 Treadmill Compared: You can use your treadmill at home or the gym with sole F63, F80, and F85 treadmills. Although they may look the same, their motor capacities and maximum weights are different. All three treadmills can be used to train cardiovascularly, regardless of the user's fitness level. The latest technology in connectivity, such as … [Read more...] about Sole F63 vs F80 vs F85 Treadmills [Comparison and Reviews]