Profile: J&J Engineering LLC offers lever propelled wheelchairs. We offer Quantum Runner™ wheel chair. The Quantum Runner has forward propulsion with the push or pull of the pumping handle, ergonomically correct rowing action that uses the frequently unused back-muscles, 4-speed automatic shifting hub to conquer rough terrain and achieve high speeds & same size as a conventional chair features. It provides forward propulsion with the push and pull of its levers. This ergo-correct positioning allows for sitting upright and changing gears depending on the power needed. It has forward positioning lever that pivot point in front of the rear wheel and reduces shoulder & wrist strains. This reduces joint damage and increases the overall strength making it ideal for physical therapy or muscle conditioning. The Quantum Runner has disc brakes. These brakes offer a safe way for turning and stopping.

The company was founded in 2000, has revenues of < USD 1 Million.