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The SPEEDY F4 rigid-frame wheelchair excels with its completely welded frame and resultant unbeatable handling characteristics! As its weight is consistently optimised and it is very compact when folded, and thus easy to transport, this wheelchair is ideal for daily use.
The seat position and the centre of gravity are adjusted to suit the user. This ensures an optimal level of comfort. The SPEEDY F4 is the right choice especially for experienced wheelchair users!
Unbeatable handling characteristics as a result of welded frame
  • The welded chassis, with its rigid axle, guarantees the best possible conversion of muscle force to motion.
  • Excellent handling characteristics, also on uneven terrain.

Light weight with no-nonsense design
  • Total weight from 7.8 kg.

Fold-down back rest with 7 adjustment options
  • Its tilt angle can be adjusted to 7 positions, without any tools.
  • Dynamic sitting prevents back problems.

Ergonomic back shell
  • Lordosis support can be individually adjusted via belt system.
  • Great free moving space.
  • Possible base for individual back systems.

ERGO Back backrest with customised surrounding bar with recessed gripping area
  • High backrest stability thanks to closed tube bend.
  • Optional with lordosis prominence for correct anatomic fit.
  • Low weight

Body Contour seat upholstery
  • Very breathable and light.
  • The suspension effect automatically provides for even pressure distribution.
  • Can support decubitus prophylaxis.

Each SPEEDY is a custom wheelchair
Total weight from 7.8 kg
Max. load weight Standard up to 120 kg; heavy duty up to 150 kg; above 150 kg upon request!
Number of optional frame parameters 7
Frame shape V shape, G shape
Front frame angle 105°, 95°
Adjustability of centre of gravity -
Possible rear wheel sizes 24″, 25″, 26″
Possible rear wheel camber 1°, 4°, 6°, (8° to 50 kg physical weight)
Wheelbase extension Removable wheelbase extension
Materials and manufacturing 
  • High-strength aluminium alloys for a very high degree of frame rigidity and low weight.
  • Resistant powder coating for an attractive design and scratch resistance.
  • Component groups are CNC-machined inhouse and ensure the highest level of stability and accuracy of fit.
  • Precision brand bearings for wheelchair durability and reliability.
Short frame Long frame Increments
Seat width 30 cm - 46 cm 30 cm - 46 cm 1 cm increments
Seat depth 36 cm - 43 cm 40 cm - 48 cm 1 cm increments
Back height 20 cm - 48 cm
(higher upon request)
20 cm - 48 cm
(higher upon request)
1 cm increments
Length of front frame 35 cm - 50 cm 36 cm - 52 cm 1 cm increments
Rear seat height 35 cm - 45 cm
(24″ wheel)
37 cm - 47 cm
(24″ wheel)
1 cm increments
Front seat height 44 cm - 52 cm
(5″ wheel)
46 cm - 54 cm
(5″ wheel)
1 cm increments
Centre of gravity 2 cm - 13 cm 2 cm - 13 cm 1 cm increments
Individual dimensions upon request.
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PROACTIV GmbH Rehatechnik PRO ACTIV Reha-Technik GmbH
Im Hofstätt 11
72359 Dotternhausen
Tel +49 7427 9480-0