Fitness Reality TR3000 Maximum Weight Capacity Manual Treadmill with 'Pacer Control' & Heart Rate System Tested up to 325lbs of user weight. Capable of jogging and running. Heart Pulse pads allows the user to measure target heart rates Twin 6 inch diameter flywheels provide a smoother and more consistent workout unlike other single flywheel manual treadmills Treadmill belt is extended to 16" w x 45"L. Wider and longer than most other manual treadmills available, providing benefits that only electric treadmills provide Pacer control' 8 level magnetic tension, provides different levels of difficulty and helps stabilize the treadmill speed for hands-free walking Quick release incline adjustments features quick and easy 3 position Inclines of 8, 10, and 13 degrees