Flash Fitness Manual Curved Treadmill The Manual Curved Treadmill design forces you to use real mechanics — quicker cadence, proper foot strike, and actual power output. That’s why athletes prefer this style over cheap flat-belt manual treadmills. You control everything.Speed, intensity, pace. The faster you push, the faster it goes. Six resistance levels let you flip between: Light running Power walking Heavy sled-push work All without touching a button. The battery-powered LCD screen keeps you locked in with time, distance, pace, calories, speed. No cords. No hassle. Drop it anywhere in your home gym. Built with a steel and aluminum frame, it’s overkill in the best way — stable, heavy, and ready to take daily punishment. If you want a treadmill that actually upgrades your conditioning, not another bulky machine that does the work for you, this is it. DISCLAIMER: Levels 1–2: Run Levels 3–4: Walk Levels 5–6: Sled Push Specifications Heavy-duty steel frame Curved, motor-less belt Battery LCD with time, distance, speed, pace, calories, speed, and interval training modes Promotes natural stride and better form Product weight - 330lbs Weight capacity - 330lbs