Transport + Travelling

franka. sub-frame

franka is a universal seat pan sub-frame for children and young people with disabilities. It accommodates almost all standard seat pans and supports flexible use at home, in facilities and when out and about. Height adjustment, seat angle adjustment and the option to convert it to a combi sub-frame make franka particularly adaptable.

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franka. – the universal seat pan sub-frame for everyday use.

The universal seat pan sub-frame is compatible with almost all standard seat pans and offers flexible options for everyday use. It reliably accompanies the child to various locations, whether at home, in a facility or, when converted into a combi sub-frame, even outdoors.

The seat angle and seat height can be adjusted to suit individual needs in a matter of seconds. Using an easy-to-operate foot pedal, the position can be adjusted continuously from floor level up to table height via a gas spring.

Thanks to its ease of use and high flexibility, the sub-frame offers a convenient solution for changing requirements in everyday life and in care settings.

GMFCS:
Levels IV–V

Load capacity:
Max. 75 kg

Intended use:
Indoor

Intended use:
Outdoor

Tilt:
(-)5° – 35°

Seat height:
18–64 cm

HMV number:
26.99.01.0022

On the franka, the height adjustment is operated by a foot pump.

A side view of the franka sub-frame with a low seat height.

A side view of the franka sub-frame with a medium seat height.

A side view of the franka sub-frame with a high seat height.

What franka. can do.

  • Conversion to a combi sub-frame allows for use both indoors and outdoors.
  • The trapezoidal interface allows use with all conventional seat pans and ensures greater versatility.
  • Lowering to play height and adjustment of the seat angle to active and passive positions support optimal integration.
  • An angle-adjustable push bar and height adjustment of the base frame via a foot pedal or, alternatively, a hydraulic foot pump ensure comfortable handling.
  • Castors with locking devices enable easy transfer and prevent the chair from rolling away unintentionally.
  • The seat angle trigger lever can be flexibly mounted on the push bar or on the back of the seat shell for increased flexibility.

Useful documents for franka.

Meaningfully informed.

Now download the product datasheets and documents and learn everything about the functions, dimensions and special features of the product – compact, clear and always at hand.

Catalogue franka.

Catalogue franka.

Stand: 01.2026 | Size: 421 KB
Pricelist franka.

Pricelist franka.

Stand: 01.2026 | Size: 736 KB
Instructions for use franka.

Instructions for use franka.

Stand: 06.2025 | Size: 3 MB
EU Declaration of Conformity franka.
EU Declaration of Conformity franka.
Stand: 05.2023 | Größe: 197 KB

Guide

In our guide and FAQ section, you’ll find helpful tips, answers to frequently asked questions and all the key information about our product. Clear, concise and easy to understand – so you’re always fully informed.

The franka is available in several sizes, which differ in height, length, width and maximum load capacity. Each version is designed so that the seat pan can be fitted ergonomically. 

Fitting a seat pan to the franka is a straightforward process and is carried out using an adapter system. The seat pan can be secured and adjusted as required in just a few simple steps. To ensure it is fitted safely and correctly, it is recommended that you carry out the fitting initially with the assistance of qualified personnel.

franka is listed under HMV number 26.99.01.0022 in the GKV Spitzenverband’s directory of medical aids. This simplifies the approval process through statutory health insurance in Germany. 

 

"franka accompanies me to school!"

 

My custom-made seat shell is fitted to the franka sub-frame. Both aids support me in my everyday school life and ensure that I can sit comfortably.

Mattis, a joyful and inquisitive student