Product details
Professional Office Chair Sitness 10 Black
Infinitely adjustable seat height with top lift. This model bears the GS mark from LGA Nuremberg and meets all safety-related requirements for residential use (in accordance with DIN EN 1335). Contoured backrest with integrated lumbar support, adjustable in height, depth, and angle. Permanent contact mechanism for adjusting the backrest angle. US-patented fitness seat = orthositz with Body-Balance-Tec joint. Aesthetically pleasing and stable chrome-plated steel base. Includes height-adjustable armrests U2. Equipped with load-dependent braked safety double casters for carpeted floors. This means the chair only rolls under load; in an unloaded state, the casters brake to prevent unwanted rolling away.
This item is delivered unassembled. Assembly can be completed in a few simple steps. No assembly is required for gas springs, chair casters, footrests, etc.
Exact colour description | Black |
Material | Polypropylene, Steel |
Chair mechanism | Permanent contact mechanism |
Seat height | 55 cm |
Seat width | 48 cm |
Seat depth | 44 cm |
Max. load | 110 kg |
Item number | 5799902 |
Manufacturer | Topstar |
Category | Office chairs |
Manufacturer no. | SI59U G20 |
Release date | 15.6.2016 |
External links |
Colour | Black |
Exact colour description | Black |
Material group | Plastic |
Material | Polypropylene, Steel |
Frame material | Steel |
Main cover material | Fabric |
Cover material description | Polypropylene |
Target group | Adults |
Office chair type | Office chair with armrests |
Chair mechanism | Permanent contact mechanism |
Wheel type | Castors |
Max. load | 110 kg |
Recommended sitting time | 8 h |
Seat shell shape | Trough seat |
Seat surface | Height-adjustable, Three-dimensionally movable |
Back rest | Height-adjustable, Lumbar support, Tiltable |
Armrest | Permanently mounted |
Headrest | None |
Country of origin | Germany |
CO₂-Emission | |
Climate contribution |
Format (dimension) | 113 x 58 x 44 cm |
Width | 58 cm |
Height | 117 cm |
Depth | 44 cm |
Seat width | 48 cm |
Seat height | 55 cm |
Min. seat height | 42 cm |
Max. Seat height | 55 cm |
Seat depth | 44 cm |
Weight | 17 kg |
Length | 97 cm |
Width | 60 cm |
Height | 42 cm |
Weight | 20.16 kg |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Office chairs» category have a defect within the first 24 months?
Source: Digitec Galaxus- 20.Vasagle0.3 %
- 23.HAG0.5 %
- 24.Topstar0.6 %
- 25.Leitz0.7 %
- 26.Giroflex1 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 1.Amstyle0 days
- 1.Songmics0 days
- 3.HAG1 day
- 4.Giroflex5 days
- 5.Topstar6 days
Return rate
How often is a product of this brand in the «Office chairs» category returned?
Source: Digitec Galaxus- 8.AC Design1.3 %
- 8.Vasagle1.3 %
- 10.Topstar1.5 %
- 11.Sihoo2 %
- 12.HTI-Living2.1 %