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Adapters
Torsion Adapter (Delta Twist)
Ottobock
4R120 / 4R121
Functional adapter providing torsion and vertical shock absorption (dampening).
Technical Specifications
Configuration Options
Available model & diameter
| Sku | Weight g | Diameter mm | Max load kg | Configuration | Build height mm | System height mm | Distal connection | Proximal connection | Overall length mm | Min build height mm | Max system height mm | Min system height mm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4R120 | 340 | 30 | 100 | 4R120 (30mm, Fixed) | 138 | 117 | Pyramid receiver | Tube clamp | - | - | - | - |
| 4R121=30 | 530 | 30 | 100 | 4R121=30 (30mm, Variable) | - | - | Pyramid receiver | Tube | 535 | 130 | 553 | 117 |
| 4R121=34 | 585 | 34 | 125 | 4R121=34 (34mm, Variable) | - | - | Pyramid receiver | Tube | 558 | 130 | 578 | 218 |