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The top model in Sole’s folding series, the F85 treadmill is a great fit for serious workout enthusiasts. The F85 boasts a powerful 3.5-horsepower, continuous-duty motor–the most powerful in the Sole line–that delivers speeds of up to 12 miles per hour and inclines of up to 15 percent. The club-style tri-color LED display, meanwhile, includes a message board for clear instruction and feedback, while also tracking your speed, incline, time, distance traveled, calorie

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