Why You Choose pooboo 3-in-1 folding exercise bike Features: 1. All Inclusive Flywheel Flywheel is all inclusive. Dust-proof, avoid bumps, sweat-proof and rust-proof, avoid pinching hands, give intimate protection to family members and pets. The 5.5 lbs precision balanced flywheel and magnetic resistance system can give you a smoother, quieter and safer riding. 2. Arm Resistance Bands Easily and safely tone and tighten your waist, leg and arm, relaxing your shoulder. 3. 4. Transport Wheels The wheels on the bottom allow you to move the exercise bike effortlessly. Simply tilt and roll out for use. No need for heavy lifting or muscle strain.