Lubricant oil is best for all manual and motorized Treadmills Silicon Oil keeps your treadmill 2X Smooth and boosts the overall performance. Reduces friction between the belt and rollers and Helps strain free running of motor/belt/rollers The special non-sticky lube decreases frequent wear and tear of the belt and ensures smoother functioning of the belt and deck. Easy to use Increases the life of the motor, belt, and rollers of the treadmill. Ensures trouble-free, smoother workouts. Shake well before use. Lubricant oil the lube with the long nob provided on the target area. Used for all types of Treadmills, CrossTrainers, Upright bikes, and Recumbent Bikes.