The Sole F85 treadmill is simply put the best folding treadmill on the market to date. Upgrades include a stronger 4.0 CHP motor, a reinforced designed frame for higher user weight capacity, and a detailed 23cm commercial grade LCD display. This treadmill along with premium, crowned rollers and a durable nylon belt sets the standard for fitness equipment very high. Ask our team about purchasing with a Sole Treadmill Floor Mat and Treadmill Lubrication (Lube & Walk) Important notes: Use of non factory lubrication will avoid warranty. The Lube & Walk is strongly recommended.