The Fitness 3S80 features optimal phase motion control for running. Even at high speeds, smooth extension is ensured with damping throughout the extension movement, smoothly increasing just before it reaches the final position. The damping of flexion and extension can be adjusted separately.

• Activity level: K3, K4
• Maximum body weight: 100 kg
• Maximum knee angle: 135 degrees
• Knee center at connection with thigh: 62 mm
• Product weight: 682 g