Grahl Duo-Back Chairs
Grahl duo back, the secret of optimal balance between seating and moving, is the office chair that offers long-time outstanding comfort.
Due to the split backrest that moves flexibly in all directions, this principle (which is protected by design rights) has set ergonomic standards for years. Due to flexible backrest connectors and Synchron tilt mechanism this chair optimally supports individual movements. You are seated excellently and your body is perfectly supported.
The dual backrests that make the Duo-Back so unique, conform optimally to the shape of the thorax. The dual backrests not only support in the forward and backward motion but also in the side-to-side movement. The padded elbow rests are so cleverly designed that they can be adjusted to fit any body size. The padded support area makes it possible to sit on this chair and work without putting pressure on the elbows.
Through the combination of the permanent forward and backward leaning movement, and the new mobile individual backrests, it is possible to work with the back supported in almost any position. Because the backrest hugs the waist, the thorax is lifted. This can lessen the weight on the lumbar vertebra by up to 20 Kg. The parameters of the Grahl Duo-Back are so variable that it can be adjusted to fit all body shapes and sizes.
The chair is fully adjustable for seat, backrest and armrest height, plus seat depth. It also has a unique adjustable balancing mechanism to allow equal ease of use by a wide range of builds. Of course, the chairs also have all the features you'd expect, such as a wide choice of fabrics (or you can use your own material) plus two frame colours. They also carry a 2 year warranty on the frame and mechanism, covering use by persons of up to 25 stones.
Grahl Xenium Freework with Duo Back.
Size Assembled: Seat Dimensions - W: 470mm, D: 390-500mm, H: 420-530mm
Back Rest Dimensions - W: 460mm, H: 540-630mm
Lumbar Position (from Seat): 150-250mm
Elbow Position (from Seat): 150-260mm (3D Arms)
Backrest: 470mm High Back Pads
Tilt: Backward tilt between 10° and 20°, Forward tilt 10°, Right tilt 10°, Left tilt 10°
Weight Tension Adjustment: 170-120kgs
Seat Mechanism: Sliding Seat
Back Rest Mechanism: Independant height adjustement
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