3 reviews
SKU:
9705303BLA

Grahl Duo Back® Type 11 Office Chair

Grahl Duo Back® Type 11 Office Chair
3 reviews
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Now £1,040.40 £867.00
Grahl duo back, the secret of optimal balance between seating and moving, is the office chair that offers long-time outstanding comfort. more info
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Duo Back® is the office chair which offers you extraordinary lasting seated comfort due to the flexible dual backrest whose parts move individually of each other. Duo Back® backrest has been proven to provide up to 50% less pressure on the spinal column.

Due to the split back rest that moves flexibly in all directions, this principle has set ergonomic standards for years.

Flexible dual split backrest provide optimal support

Due to flexible backrest connectors and synchro 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 thorax. The dual backrests not only support in the forward and backward motion but also in the side-to-side movement.

Padded adjustable elbow rests

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.

Sliding seat adjustment

Seat can be adjusted forward and backward for effective user personalisation.

Weight tension adjustment

The weight tension can be adjusted to meet the needs of different user weights. This ensures optimal support.

Independently width adjustable Duo Back® backrest pads

The backrest pads can be adjusted so the back is supported appropriately.

Height adjustable armrests

Adjustment ensures the elbows are at the correct height relative to the shoulders.

Forward Tilt mechanism

Allows you to tilt forward up to 11 degree, re-positioning the pelvis to obtain optimal seating position.

Seat height:
450-580 mm
Seat width:
490 mm
Seat depth:
400-450 mm
Back height:
480-560 mm
Back width:
400-450 mm
Seat - lumbar:
210-290 mm
Seat - elbow:
140-240 mm*
Elbow - elbow:
360-620 mm*
Warranty:
5 years

* With A13 armrests

Supporting Documentation
Q: My gas stem seems a little stiff – is this normal?

Sometimes, over time, the gas stem can become a little stiff when trying to adjust the height. A quick and easy fix for this is using WD-40 or Vaseline. Apply a light layer of grease to the gas stem, then try adjusting the gas stem 3-4 times. The gas stem should now adjust easily.

Q: Can my seat slide forward?

On the right side of the seat there is a small button. While seated, press this adjusting button and lean against the backrest. Then move the seat forward against the gas-spring pressure and release the button when the seat reaches the desired position.

Q: How do I stop the rocking motion of my Grahl Duo Back® Type 11 chair?

On the left side, under the seat, is a handle that you can press upwards while seated. This activates the tilt mechanism. The backrest tension can be infinitely adjusted to your bodyweight via the crank on the right.

Q: We have hot-desking and I want to adjust the backrest height – how do I do this?

To adjust the backrest height on your Grahl Duo Back®, release the lower hand wheel on the back bar, while you are behind the Grahl Duo Back®. Adjust the desired height and fix the position by tightening the hand wheel. To adjust the width of the backrest connectors, turn the top hand wheel. Fix the desired width by turning this hand wheel to the left or to the right.

Q: How do I adjust my armrests?

The height of the armrests can be adjusted by the buttons on the outer side of the armrest upright. The width is adjustable by the eccentric lever beneath the seat. The armrest pads are depth adjustable without pressing a button.

You can achieve additional adjustment of the width by rotating the armrest pads for particularly wide or narrow distance between the armrest pads. Press the button on the inner side while you turn the armrest pads.

Still having problems?

Please give our customer services team a call on +44 (0) 345 345 0010.

Contact us about your seating project

Need more than one chair? However big or small your project is, we have a dedicated service to support you. Not only will you get expert advice, trials, delivery and set-up, but you’ll also benefit from great discounts on bulk orders.

To request a no-obligation quote, or to discuss your requirements further, please fill out our contact form and we will get back to you as soon as possible.

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