Ergo 3
The Next Generation of Lightweight Mobility
The Karma Ergo Series combines ergonomic design with lightweight mobility to provide natural support from head to lower back, making it easier to stay upright and engage socially with comfort. Featuring the patented Ergo Back and the trusted S-Ergo Seat, the Ergo 3 offers a new level of seating comfort where form and function meet.
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Advanced Ergo Seating System
The Ergo Seating System is designed for seniors who may struggle with upper body control, often leading to slouched posture or a downward-facing head.
Ergo 3’s scientifically optimized seating angles help:
- Promote a stable, healthy posture
- Alleviate chronic sitting discomfort
- Enhance field of vision
- Improve social interactions
Advanced Ergo Seating System
Senior wheelchair users tend to have weaker upper body control which leads to slouched posture or downward-facing head position. The Ergo Seating System addresses this common issue by incorporating scientifically proven seating angles, effectively promoting equilibrium in body posture.
Ergo 3 features the optimal seating angles to:
– Promote a stable, healthy posture
– Alleviate chronic sitting discomfort
– Enhance field of vision
– Improve social interactions
Relaxed Sitting, Healthy Living
Patented S-Ergo Back System
Karma’s innovative S-Ergo Backrest enhances both comfort and stability, allowing users—especially those with reduced muscular endurance—to maintain proper, healthy posture with ease.
Karma’s Ergo Series lightweight wheelchairs include a set of adjustable S-Ergo Back System Insert that provide direct lumbar support and maximize comfort.
Intuitive Design
Designed with both users and caregivers in mind, all movable parts are highlighted in high-visibility orange for easy identification and operation.
Push & Pull Brake System
Just push the attendant brake to park the chair, and pull to unlock. Ideal for caregivers who can’t continuously bend over to park the wheelchair.
Flip-Back Armrests
Makes it easy to get on and off the wheelchair or roll closer to a table or desk.
Detachable Swing-Away Footrests
Allows for easy transfer, on and off the wheelchair and detaches with no tools required.
Multi-Functional Side Guards
Discreet, easily accessible pockets are elegantly integrated into the inner sides of the side guards for added convenience, while the outer sides feature reflective accents to enhance visibility and safety outdoors.
Multi-Functional Side Guards
Discreet, easily accessible pockets are elegantly integrated into the inner sides of the side guards for added convenience, while the outer sides feature reflective accents to enhance visibility and safety outdoors.
Lightweight Innovation
Despite its many innovative features, Ergo 3 is one of the lightest wheelchairs on the market, with a total weight of just 11.9 kg (about 26 pounds) in its base configuration.
Lightweight Innovation
Despite its many innovative features, Ergo 3 is one of the lightest wheelchairs on the market, with a total weight of just 11.9 kg (about 26 pounds) in its base configuration.
Optional Patented Ergo Anti-Tippers
Quick-Release
to Overcome Curbs in ONE Single Step
Optional Patented Ergo Anti-Tippers
Quick-Release
to Overcome Curbs in ONE Single Step
Modern Look
When it comes to the style, you can mix and match the frame color ( black and pearl) with the below upholstery. Rose Red only combined with Gray or Dark Gray Upholstery.
Frame Colors
Colors represented on our website are for reference only. Please contact your local provider for actual color samples.
Specification
| Product Model | Ergo 3 | ||||||||
| Nominal seat width (mm/in)* | 410 / 16 | 460 / 18 | 510 / 20 | 410 / 16 | 460 / 18 | 510 / 20 | 410 / 16 | 460 / 18 | 510 / 20 |
| Nominal seat depth (mm/in)** | 435 / 17 | 435 / 17 | 435 / 17 | 435 / 17 | 435 / 17 | 435 / 17 | 435 / 17 | 435 / 17 | 435 / 17 |
| Front caster / Rear wheel size (in) | 6 / 14 7 / 14 | 6 / 14 7 / 14 | 6 / 14 7 / 14 | 6 / 20 7 / 20 | 6 / 20 7 / 20 | 6 / 20 7 / 20 | 7 / 24 | 7 / 24 | 7 / 24 |
| Backrest height (mm) | 435 | 435 | 435 | 435 | 435 | 435 | 435 | 435 | 435 |
| Headrest height above seat (mm) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Armrest to seat distance (mm) | 220 | 220 | 220 | 220 | 220 | 220 | 220 | 220 | 220 |
| Front location of armrest structure (mm) | 0 350 | 0 350 | 0 350 | 0 350 | 0 350 | 0 350 | 0 350 | 0 350 | 0 350 |
| Seat surface height at front edge (mm) | 435 485 | 435 485 | 435 485 | 435 485 | 435 485 | 435 485 | 485 | 485 | 485 |
| Footrest to seat distance (mm) | 385 – 460 | 385 – 460 | 385 – 460 | 385 – 460 | 385 – 460 | 385 – 460 | 385 – 460 | 385 – 460 | 385 – 460 |
| Effective seat width (mm) | 420 | 470 | 520 | 420 | 470 | 520 | 420 | 470 | 520 |
| Effective seat depth (mm) | 435 | 435 | 435 | 435 | 435 | 435 | 435 | 435 | 435 |
| Seat plane angle (X°) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Backrest angle (X°) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Seat to backrest angle (X°) | 104 | 104 | 104 | 104 | 104 | 104 | 104 | 104 | 104 |
| Leg to seat angle (X°) | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 |
| Overall length with legrest (mm) | 1025 – 1050 | 1025 – 1050 | 1025 – 1050 | 1025 – 1050 | 1025 – 1050 | 1025 – 1050 | 1025 – 1050 | 1025 – 1050 | 1025 – 1050 |
| Overall width (mm) | 575 | 625 | 675 | 595 | 645 | 695 | 595 | 645 | 695 |
| Overall height (mm) | 860 910 | 860 910 | 860 910 | 860 910 | 860 910 | 860 910 | 860 910 | 860 910 | 860 910 |
| Folded length (mm) | 770 (Q14)*** 770 (F14)**** | 770 (Q14) 770 (F14) | 770 (Q14) 770 (F14) | 770 (Q20) 780 (F20) | 770 (Q20) 780 (F20) | 770 (Q20) 780 (F20) | 770 (Q24) 820 (F24) | 770 (Q24) 820 (F24) | 770 (Q24) 820 (F24) |
| Folded width (mm) | 245 (Q14) 285 (F14) | 245 (Q14) 285 (F14) | 245 (Q14) 285 (F14) | 245 (Q20) 310 (F20) | 245 (Q20) 310 (F20) | 245 (Q20) 310 (F20) | 245 (Q24) 310 (F24) | 245 (Q24) 310 (F24) | 245 (Q24) 310 (F24) |
| Folded height (mm) | 660 (Q14) 700 (F14) | 700 (Q14) 735 (F14) | 740 (Q14) 780 (F14) | 660 (Q20) 700 (F20) | 700 (Q20) 735 (F20) | 740 (Q20) 780 (F20) | 660 (Q24) 700 (F24) | 700 (Q24) 735 (F24) | 740 (Q24) 780 (F24) |
| Total mass (kg) | 11.9 12.3 | 12.2 12.6 | 12.5 12.9 | 13.1 13.3 | 13.4 13.6 | 13.7 13.9 | 13.8 | 14.1 | 14.4 |
| Mass of the heaviest part (kg) | 8.0 8.4 (Q14) | 8.3 8.7 (Q14) | 8.6 9.0 (Q14) | 8.2 8.4 (Q20) | 8.5 8.7 (Q20) | 8.8 9.0 (Q20) | 8.4 (Q24) | 8.7 (Q24) | 9.0 (Q24) |
| 10.1 10.5 (F14) | 10.4 10.8 (F14) | 10.7 11.1 (F14) | 11.3 11.5 (F20) | 11.6 11.8 (F20) | 11.9 12.1 (F20) | 12.0 (F24) | 12.3 (F24) | 12.6 (F24) | |
| Maximum user weight (kg)***** | 115 | 115 | 115 | 115 / 125 | 115 / 125 | 115 / 125 | 115 / 125 | 115 / 125 | 115 / 125 |
| Minimum turning radius (mm) | 895 | 900 | 910 | 895 | 900 | 910 | 895 | 900 | 910 |
| Minimum turning radius without user (mm) | 745 | 750 | 760 | 745 | 750 | 760 | 745 | 750 | 760 |
| Pivot width (mm) | 1115 | 1135 | 1155 | 1115 | 1135 | 1155 | 1115 | 1135 | 1155 |
| Static stability downhill (X°) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Static stability uphill (X°) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Static stability sideways (X°) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Handrim diameter (mm) | N/A | N/A | N/A | 435 | 435 | 435 | 520 | 520 | 520 |
| Horizontal location of axle (mm) | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
* Nominal seat width is measured the width of seat cushion at 120 mm in front of the backrest. This value is
mainly used in the product ordering process.
** Nominal seat depth is measured from the front end of the seat cushion to the back cushion. This value is mainly
used in the product ordering process.
*** F = Fixed axles
**** Q = Quick-release axles
***** The Ergo 3 series is suitable for users up to 125 kg in weight. However, if the wheelchair is equipped with Push &
Pull attendant brake, it is only suitable for users up to 115 kg in weight.
– This wheelchair conforms to the requirements and test methods for static, impact and fatigue
strengths (ISO 7176-8).
– The actual product specifications differ from the data in the table by ±10 mm ±0.5 kg.
– The actual product specifications may vary according to different configurations.
– KARMA reserves the right to modify information herein without further notice.
Manual ver.02
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Ergo 3_UserManual_EN_ver.02
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Ergo 3 Leaflet
1 file(s) 1.51 MB
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Crash Test Approved
The Ergo 3 is approved for transportation in accordance with ISO 7176-19. This means it is suitable to be used as a seat in a motor vehicle for transportation.
→Learn more about Wheelchair Safety
