Single Axis Knee Joint with Friction
The single axis knee joint with friction suits both young and elderly users. Safety comes from the friction system, and extension is assisted by springs. It is the smallest knee in the Roadrunnerfoot catalogue.
- Suitable for both young and elderly users
- Safety through the friction system; spring-assisted extension
- The smallest knee in the Roadrunnerfoot catalogue
- Flexion angle 140 degrees
- Available in stainless steel and titanium for adults, and a dedicated children version
- Component weight 485 g stainless steel adult, 376 g titanium adult, 350 g children
- Maximum user weight 130 kg
- Tested to ISO 10328
- Warranty 36 months
- Pair with a Single Axis foot or Walking MP to build a key level 2 above knee prosthesis
Single Axis Knee Joint With Friction

Limited and unlimited household ambulation.
Level surfaces.
Fixed cadence.
Transfers and therapeutic use.
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Code 6.001.03 SS for Adults 6.001.03.T Titanium for Adults 6.001.03.k for Children |
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| Characteristics |
Flexion angle 140° |
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| Component Weight | 485 g SS Adults
376 g Titanium Adults 350 g Children |
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| Material | Stainless Steel
Titanium Aluminum Alloy |
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| Maximum User Weight | 130 Kg | |
Components for single-axis friction knee
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Code: 6.001.03.A |
Key specifications
| Device Category | Single axis prosthetic knee joint with friction |
| Mobility Level (K-Level) | K1 to K2 |
| Flexion Angle | 140 degrees |
| Material | Stainless steel, titanium or aluminum alloy versions |
| Component Weight | 485 g stainless steel adult; 376 g titanium adult; 350 g children |
| Maximum User Weight | 130 kg |
| Tested to Standard | ISO 10328 |
| Warranty | 36 months |
| Product Codes | 6.001.03, 6.001.03.T, 6.001.03.k |
Ordering and technical support
Designed and manufactured in Italy by Roadrunnerfoot Engineering S.r.l. The full range is listed in the Roadrunnerfoot 2025 catalogue. Orthopedic technicians, clinics and international distributors can request technical data sheets, product codes, pricing and fitting support from our team.