Invader – passion in perfection

Benefits at a glance

Ultimate stability

The box-frame wheelchair is permanently welded and formed from a single tube. Even the caster fork is manufactured from one piece, and the footrest can be welded as well.

Custom design without compromise

The box-frame offers optimal handling, while the custom design provides maximum individuality. And the sporty shape of the frame combines extreme sturdiness with a low net weight. Simply unbeatable.

Optimum driving characteristics

The Invader is extremely sturdy yet highly manoeuvrable.

For large and small

Flexible custom fabrication also meets special needs and is tailored to individual proportions.

Technical details

Individually made to order

Every single length and angular dimension in the design meets the customer's wishes. Our experts prepare a 3D CAD simulation according to your body measurements to fabricate your Invader.

Aluminum construction

7020 T6 aluminium, the strongest still weldable aluminium, is used for the aluminium alloy. The material is cut to size, custom bent, and welded to make the frame. The finished frame structure is refined in a 3-stage stress-free annealing process.

Technical information

Technical data  
Minimum rear seat height 330 mm
Maximum front/rear seat height 530 mm
Back height From 220 mm
Lower leg length 250–500 mm
With 1° camber
With 3° camber
With 6° camber

Seat width + 140 mm
Seat width + 160 mm
Seat width + 220 mm
Frame length Custom fabrication
Length with/without footrests Custom size
Height Custom size
Max. user weight 120 kg
Transport weight 7–8 kg

Dimensions and measurements are different for every Invader, as each chair is made to measure. The ready-to-use weight of a permanently welded Invader is typically between 7 and 8 kg for a seat width of 380 mm and seat depth of 400 mm, depending on the choice of rear wheels.



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