4-Bar Polycentric
Friction Control
CE
ISO 10328 Tested
Functional Highlights
Structure: 4-Bar Polycentric Stability.
Control: Adjustable extension assist.
Range: High flexion angle up to 160°.
Lightweight: Only 450g.
The E 86 is an exceptionally lightweight mechanical 4-bar polycentric knee joint, weighing only 450g. Designed for K1-K2 activity levels, it combines stability with functionality. It features an integrated friction control mechanism and adjustable extension assist, allowing for a customized gait cycle. Its compact design offers a minimal build height of 75mm, making it an excellent choice for users with long residual limbs.
Technological Architecture
Compact Agility
With a flexion angle of 160° and a build height of only 75mm, the E 86 provides superior range of motion and sitting comfort, specifically for users with anatomical space constraints.
Extension & Friction Control
The integrated mechanisms allow the prosthetist to fine-tune the swing phase resistance and extension assist force, ensuring a safe and controlled step for rehabilitation and daily walking.
Technical Specifications
| Product Name | E 86 |
| Advised Activity Level | K1 – K2 |
| Material | Aluminum |
| Max User Weight | 125 Kg |
| Flexion Angle | 160° |
| Product Weight | 450 g |
| Overall Length / Build Height | 130 mm / 75 mm |














