Heavy-Duty adjustable spring/shock Rider Suspension for greater comfort, reduced fatigue and reduced chance of injury. Comfort Gel saddle with Mid-section Cutaway for reduced seating pressure. Four-direction Micro-adjustable investment-cast seat and handlebar sliders allow for customized riding position. Ultra-smooth, quiet Poly-V Drive Belt system needs no-maintenance & can be tensioned without removing drive cover. Micro-adjustable Resistance mechanism with Instant Break for safety. 47 lb. Stainless flywheel in pillow-block bearing for super-fluid spinning. Incredibly durable investment cast 3 piece BMX grade Crank. Max User weight: 300 lbs. Floor Space: 44" X 25" Durable Urethane transport wheels for easy movement or relocation. Heavy-duty Ovalized and solid steel frame tubing. Adjustable water bottle cage. Nonskid Rubber Feet can be adjusted for uneven surfaces. Ergonomic Triathlon-style handle bar offers multiple hand positions. Crank's arms accept all brands of clipless pedals. User-positionable Quick-release levers for easy micro-adjustments.