| V-Trak Mounting Blocks, Netti | 08721302665798 | Class I | |
| V-Trak Original Pivot Lock - to help resist rotation | 08721302665897 | Class I | |
| V-Trak Original Rotation mount - allows horizontal angle adj | 08721302666115 | Class I | |
| V-Trak Quick Release Clamp and Insert - 22 mm rigidizer bar | 08721302665651 | Class I | |
| V-Trak quick release clamp and insert for 20mm rigidizer bar | 08721302665644 | Class I | |
| V-trak Segmented Seating System - hardware upgrade | 08721302666214 | Class I | |
| V-trak Segmented Seating System - pelvic, thoracic and shoulder support sections with V-Lite hardware and blocks | 08721249812804 | Class I | |
| Winged headrest + X-Tend interface | 08721302665446 | Class I | |
| Winged headrest + X-Tend interface with Quick Release | 08721302665408 | Class I | |
| X-Tend headrest interface without QR attachment | 08721302665217 | Class I | |
| X-Tend headrest interface with QR attachment | 08721302665279 | Class I | |
| X-Tend interface quick release system only | 08721302665309 | Class I | |
| Y180939 | 08721302660441 | Class I | |
UDI Compass