Heavy duty adjustable spring/shock rider suspension for greater comfort, reduced fatigue and reduced chance of injury. Comfort gel saddle w/ 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 and can be tensioned w/out removing drive cover. Micro adjustable resistance mechanism w/ instant break for safety. 47lb 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.