Invacare · rear-wheel drive powerchair
Used Invacare Aviva RX20
The Invacare AVIVA RX20 is a compact rear-wheel drive powerchair for indoors and out. Its standard base is 560 mm wide and its seat can sit as low as 435 mm, which suits small spaces, tables and desks. As standard it goes up to 6 km/h (3.7 mph), and it carries up to 136 kg (21 st 5 lb). Each chair was set up for its first user, so seats and powered functions vary.
At a glance
Rear-wheel drive
Drive
6 km/h (3.7 mph)
Top speed (standard)
136 kg (21 st 5 lb)
Maximum user weight
From 435 mm
Seat height (from floor)
In stock now
None in stock at the moment.
Specification
Manufacturer's figures.
| Driving | |
|---|---|
| Drive | Rear-wheel drive |
| Suspension | Invacare CTC suspension: all four wheels stay on the ground |
| Top speed | 6 km/h (3.7 mph) as standard (Invacare's order forms call it 4 mph). Some are set to an indoor speed of about 3 km/h; Invacare's 2026 order form also offers a 10 km/h (6.2 mph) package |
| Maximum user weight | 136 kg (21 st 5 lb). Invacare's manual gives 160 kg for the wide 635 mm base, which the RX20 order form lists only as a special order |
| Maximum kerb / obstacle | 60 mm, says Invacare's web page (75 mm in its brochure and manual; 100 mm with the optional kerb climber). The manual gives 40 mm going backwards |
| Maximum slope | 6°, say Invacare's web page and brochure (the manual gives 10° for a Modulite chair without a seat lifter, 6° with one) |
| Ground clearance | 70 mm (Invacare's manual) |
| Turning circle | 1506 to 2086 mm across, depending on the set-up |
| Motors | 2 × 340 W |
| Wheels | 14-inch drive wheels (air-filled or with a solid insert); 8- or 9-inch castors |
| Controls | Invacare LiNX joystick. Some have a touchscreen, an attendant control or specialist controls |
| Lights and indicators | LED: on some chairs |
| Crash tested | Yes (ISO 7176-19), for use as a seat in a vehicle, when it has Invacare's tested tie-down points and a suitable headrest (Invacare's order form). Some have tie-downs for carrying the chair empty only |
| Batteries and range | |
| Batteries | 2 × 12 V 60Ah gel as standard; Invacare's web page also lists 73.5Ah |
| Range | Up to 35 km, 21 miles, on 60Ah batteries at 6 km/h (30 km, 18 miles, at 10 km/h); up to 47 km, 29 miles, on 73.5Ah batteries at 6 km/h (maker's figures, Invacare's manual and web page) |
| Charger | 8 A (10 A on some) |
| Size and weight | |
| Base width | 560 mm (a wide 635 mm base was a special order) |
| Length | 1026 to 1300 mm with footrests; 830 mm without |
| Height | 1000 to 1335 mm, depending on how it is set up |
| Seat height (from the floor) | 435, 460 or 485 mm, without a cushion |
| Weight | 105 to 185.2 kg, depending on how it is fitted out |
| Seating | |
| Seat | Invacare Modulite seating, or the simpler standard seat |
| Seat width | 330 to 530 mm (550 mm on some), depending on the set-up |
| Seat depth | 410 to 510 mm |
| Tilt | Set by hand (0 to 15°), or powered (20°, 30° or 50°) on some chairs |
| Seat lifter | 300 mm, with powered tilt: on some chairs |
| Backrest recline | Set by hand (90 to 120°) as standard; powered recline (30°) on some chairs |
| Legrests | 80° hangers as standard; some have elevating or powered legrests |
| Armrests | Adjust in height and depth, and come off |
Before you buy a used Aviva RX20
How fast does the AVIVA RX20 go, and how far?
As standard it goes up to 6 km/h (3.7 mph); Invacare's 2026 order form also offers a 10 km/h (6.2 mph) package. On 60Ah batteries at 6 km/h, Invacare's manual gives a range of up to 35 km (21 miles); with 73.5Ah batteries, up to 47 km (29 miles). These are the maker's figures: the rider's weight, hills, kerbs, cold weather and older batteries all shorten them.
What is the maximum user weight?
136 kg (21 st 5 lb).
Will it fit round my home?
The standard base is 560 mm wide. The chair is 1026 to 1300 mm long with footrests and turns within 1506 to 2086 mm, depending on how it is set up. The seat can sit as low as 435 mm, which suits tables and desks.
What can it climb?
Invacare's web page gives obstacles up to 60 mm and slopes up to 6 degrees. Its brochure and manual give obstacles up to 75 mm, or 100 mm on a chair with the optional kerb climber.
Can I travel in a vehicle sitting in it?
Invacare list it as crash tested (ISO 7176-19), for use as a seat in a suitable vehicle. Its order form says that needs Invacare's tested tie-down points and a suitable headrest. Some chairs were ordered with tie-downs for carrying the chair empty only.
Is the Aviva RX20 right for you?
Tell us how you’ll use it and we’ll say honestly if another model fits better.