The RoTrike is a hand-operated adult tricycle designed for use by individuals with lower extremity or mobility disabilities or spinal cord injury. This cycle is propelled by pushing and pulling in a rowing motion on the front-and-center mounted handlebar. The cycle is steered by turning the handlebar in the desired direction like a bicycle, and it is braked by pulling back all the way on the handlebar. FRAME (HxLxW): 34 x 52 x 27 inches. The frame is made of smooth welded, precision machined aluminum. It has an 8-speed internal hub gear with grip shift for switching gears; power train drive shaft with fully encapsulated components delivers power from propulsion lever to rear wheels; propulsion lever built to custom length; anti-roll back transmission for climbing inclines; 36-inch turning radius; cable steering; power train clutch; speeds up to 1 mph on a level surface; low center of gravity for rider safety. The frame has integrated mounts for custom accessories, and a manual is included. OPTIONS: Cargo tray. SEAT (WxD): 19 x 16 inches. The seat back is 16 inches wide and 16 inches high. The seat has a high density foam core and washable covers. Adjustable seat base position and seat back angle. Seat can be folded down and removed for transport. A seatbelt is included. ARMRESTS: Quick-release swing up armrests. BRAKES: 6-inch rear disc brakes with anti roll-back. WHEELS: 16 inch diameter front wheel with quick release hub; 20 inch diameter rear wheels located under the seat with 10 degrees of camber, push-rims, and quick release hubs. FOOTRESTS: Stowable, height and angle adjustable foot stirrups with high and low mounting positions. The stirrups are 5 inches wide and adjust in height from 6 to 8 inches.