The Flexx Series (KM-8022 / KM-8522) is all about comfort, support, performance and Flexibility!
The Flexx’s elliptical-frame design is durable, stylish, and robust, supporting a wide array of adjustable features, such as rear-wheel axle position, seat depth, backrest angle, backrest height, and foldable backrest (KM-8522 only) – to name a few.
Explore the many options that the Flexx Series has to offer and find the right combination to match your needs.
| Product Model | Flexx (KM-8022、KM-8522) | ||||||
| Nominal seat width (mm/in)* | 350 / 14 | 375 / 15 | 400 / 16 | 425 / 17 | 450 / 18 | 475 / 19 | 500 / 20 |
| Nominal seat depth (mm/in)** | 410 ~ 460 / 16 ~ 18 | ||||||
| Front caster / Rear wheel size (in) | 7 / 24 、 8 / 24 | ||||||
| Backrest height (mm) | 430 | 430 | 430 | 430 | 430 | 430 | 430 |
| Headrest height above seat (mm) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Armrest to seat distance (mm) | 200 ~ 280 | ||||||
| Front location of armrest structure (mm) | 355 | 355 | 355 | 355 | 355 | 355 | 355 |
| Seat surface height at front edge (mm) | 390 ~ 530 | ||||||
| Footrest to seat distance (mm) | 330 ~ 430 | ||||||
| Effective seat width (mm) | 380 | 405 | 430 | 455 | 480 | 505 | 530 |
| Effective seat depth (mm) | 570 ~ 620 | ||||||
| Seat plane angle (X°) | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Backrest angle (X°) | 7 ~ 27 | ||||||
| Seat to backrest angle (X°) | 92 ~ 112 | ||||||
| Leg to seat angle (X°) | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Overall length with legrest (mm) | 1030 ~ 1105 | ||||||
| Overall width (mm) | 560 | 585 | 610 | 635 | 660 | 685 | 710 |
| Overall height (mm) | 915 ~ 940 | ||||||
| Folded length (mm) | 815 ~ 865 | ||||||
| Folded width (mm) | 290 | 290 | 305 | 305 | 320 | 320 | 335 |
| Folded height (mm) | 610 ~ 740 | ||||||
| Total mass (kg) | 15.9 ~ 16.7 | ||||||
| Mass of the heaviest part (kg) | 9.8 ~ 10.9 | ||||||
| Maximum user weight (kg) | 130 | 130 | 130 | 130 | 130 | 130 | 130 |
| Minimum turning radius (mm) | 860 ~ 920 | ||||||
| Minimum turning radius without user (mm) | 730 ~ 790 | ||||||
| Pivot width (mm) | 1240 ~ 1300 | ||||||
| Static stability downhill (X°) | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Static stability uphill (X°) | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Static stability sideways (X°) | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Handrim diameter (mm) | 520 | 520 | 520 | 520 | 520 | 520 | 520 |
| Horizontal location of axle (mm) | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Product Model | Flexx (KM-8022、KM-8522) | ||||||
| Nominal seat width (mm/in)* | 350 / 14 | 375 / 15 | 400 / 16 | 425 / 17 | 450 / 18 | 475 / 19 | 500 / 20 |
| Nominal seat depth (mm/in)** | 410 ~ 460 / 16 ~ 18 | ||||||
| Front caster / Rear wheel size (in) | 7 / 14 、 8 / 14 | ||||||
| Backrest height (mm) | 430 | 430 | 430 | 430 | 430 | 430 | 430 |
| Headrest height above seat (mm) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Armrest to seat distance (mm) | 200 ~ 280 | ||||||
| Front location of armrest structure (mm) | 355 | 355 | 355 | 355 | 355 | 355 | 355 |
| Seat surface height at front edge (mm) | 390 ~ 530 | ||||||
| Footrest to seat distance (mm) | 330 ~ 430 | ||||||
| Effective seat width (mm) | 380 | 405 | 430 | 455 | 480 | 505 | 530 |
| Effective seat depth (mm) | 570 ~ 620 | ||||||
| Seat plane angle (X°) | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Backrest angle (X°) | 7 ~ 27 | ||||||
| Seat to backrest angle (X°) | 92 ~ 112 | ||||||
| Leg to seat angle (X°) | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Overall length with legrest (mm) | 1005 ~ 1075 | ||||||
| Overall width (mm) | 525 | 550 | 575 | 600 | 625 | 650 | 675 |
| Overall height (mm) | 910 ~ 940 | ||||||
| Folded length (mm) | 815 ~ 1040 | ||||||
| Folded width (mm) | 290 | 290 | 305 | 305 | 320 | 320 | 335 |
| Folded height (mm) | 610 ~ 740 | ||||||
| Total mass (kg) | 14.9 ~ 16.0 | ||||||
| Mass of the heaviest part (kg) | 12.5 ~ 13.4 (14F) 9.8 ~ 10.7 (14Q) |
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| Maximum user weight (kg) | 130 | 130 | 130 | 130 | 130 | 130 | 130 |
| Minimum turning radius (mm) | 920 ~ 980 | ||||||
| Minimum turning radius without user (mm) | 790 ~ 850 | ||||||
| Pivot width (mm) | 1240 ~ 1300 | ||||||
| Static stability downhill (X°) | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Static stability uphill (X°) | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Static stability sideways (X°) | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Handrim diameter (mm) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Horizontal location of axle (mm) | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
* Nominal s eat width is measured the width of seat cushion at 120mm 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.
– The actual product specifications differ from the data in the table by ±1 cm ±0.5 kg.
– The actual product specifications may vary according to different configurations.
– Karma reserves the right to modify informa tion herein without further notice.
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