Price on request
Nitrum
Rigid-frame active / ultralight. Highly configurable aluminium rigid chair with an oval-tube frame aimed at maximum push efficiency.
Küschall (Invacare)
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Küschall (Invacare) · Rigid-frame active / ultralight · MW-003
Kuschall K-Series rigid active wheelchair
The Kuschall K-Series is a modular rigid active wheelchair in aluminium, with carbon offered as an option. It weighs about 7.5 kg, or roughly 4.8 kg for transport, and takes users up to 130 kg. The seat can sit in five centre-of-gravity positions, and the backrest folds and can be set at six angles between 74 and 94 degrees.
- Chair weight
- approx. 7.5 kg
- Transport weight
- approx. 4.8 kg
- Max user weight
- 130 kg
- Seat widths
- 320 to 500 mm, 20 mm steps
Küschall K-Series key features
- Five centre-of-gravity positions from 80 to 140 mm
- Folding backrest with six angle settings from 74 to 94 degrees
- Frame angle of 75 or 90 degrees, V-shaped or tapered
- Seat widths in 20 mm steps from 320 to 500 mm
- Camber of 0, 3 or 6 degrees
- 12 frame colours
Who the Küschall K-Series suits
Suited to active users who like the direct feel of a rigid frame but still want to change seat position, back angle and balance point as their skills or needs shift over time.
Figures for comparing
- Weight
- 7.5 kg (16.5 lb)
- Max user weight
- 130 kg (287 lb)
The same units on every product, converted from the specifications below. Where a source gives two limits, the lower one is shown.
Küschall K-Series specifications
| Chair weight | approx. 7.5 kg |
|---|---|
| Transport weight | approx. 4.8 kg |
| Max user weight | 130 kg |
| Seat widths | 320 to 500 mm, 20 mm steps |
| Seat depths | 350 to 525 mm, 25 mm steps |
| Frame | Aluminium (carbon option), rigid |
| Backrest height | 270 to 480 mm |
| Backrest angle | 74, 78, 82, 86, 90 or 94 degrees |
| Seat height | Front 450 to 520 mm, rear 390 to 490 mm |
| Total width | Seat width + 170 mm |
| Maker country | Switzerland |
| Brand | Küschall (Invacare) |
| Category | Everyday manual wheelchairs, Rigid-frame active / ultralight |
| Catalog ID | MW-003 |
Compared with the source page on 5 October 2026. Details can change, so we confirm them in your quote. Open the source page.
Küschall K-Series: common questions
How heavy is the Kuschall K-Series?
The unloaded chair weighs about 7.5 kg. With parts removed for transport, the figure is about 4.8 kg.
What is the maximum user weight of the K-Series?
The Kuschall K-Series is rated for users up to 130 kg.
How wide is the K-Series overall?
Total width is the seat width plus 170 mm. With seat widths of 320 to 500 mm, that gives roughly 490 to 670 mm.
How to get a quote for the Küschall K-Series
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Parts listed for Küschall chairs
All partsTheir source pages name this model or this brand. We confirm the fit for your chair before quoting.
Pre-order at source
£63.80 ex tax per pair (EPC Wheelchairs, UK)
Front Frame Protectors (Pair)
Frame protection. Pair of protectors for the front frame tubes of Kuschall Compact, K-Series and KSL chairs.
Pre-order at source
GBP 334.24 per wheel (EPC Wheelchairs); no USD price shown
Mountain Bike Wheels 24 in
Rear wheels - off-road. A cross-spoked off-road rear wheel with a knobbly tyre and a 22 in handrim, 24 in overall with the tyre.
Pre-order at source
GBP 68.75 ex tax per side (EPC Wheelchairs); no USD price shown
Undermount Scissor Brake
Brakes / wheel locks. A scissor brake that mounts under the frame on a clamp, sold as separate left and right units.
Guides for this kind of product
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How to choose your first active wheelchair
Your first active chair comes down to three things: frame type, five measurements, and the people who help you get them right.
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Rigid vs folding frame
Rigid frames win on weight and push efficiency. Folding frames win on packing size. The gap is smaller than it used to be, so check real figures.
How-to & Maintenance · 8 min read
How to measure yourself for a wheelchair
A few body measurements, a firm tape and a helper are enough to prepare for a wheelchair order. Here is how to take each one and what it becomes.