Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Legal noticePrivacy notice

Topstar Sitness 10

Price in EUR including VAT
66Ratings
BrandMore from Topstar
Delivered between 3.2.2026 and 17.2.2026
free shipping

Colour7

Product details

Fitness swivel chair with balancing seat. Infinitely variable seat height adjustment with top lift (LGA tested) US-patented fitness ortho seat with Body Balance Tec joint for three-dimensional movement of the seat surface. High, contour-moulded backrest with integrated lumbar support, infinitely adjustable in height and inclination. Permanent contact mechanism, individually adjustable, infinitely lockable Elegant and stable chrome-plated steel base equipped with load-dependent braked double safety castors for carpeted floors. Includes height-adjustable armrest "U2(P)", chrome. This model bears the GS mark of the LGA Nuremberg and fulfils all safety-relevant requirements in this context

Key specifications

Exact colour description
Black
Material
Polypropylene, Steel
Chair mechanism
Permanent contact mechanism
Max. load
110 kg
Seat width
48 cm
Min. seat height
42 cm
Max. Seat height
55 cm
Item number
5799902

General information

Manufacturer
Topstar
Category
Office chairs
Manufacturer no.
SI59U G20
Release date
15.6.2016
External links
Manufacturer's site (de)

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Plastic
Material
Polypropylene, Steel
Frame material
Steel
Main cover material
Fabric
Cover material description
Polypropylene

Target group

Target group
Adults

Chair properties

Office chair type
Office chair with armrests
Office chair features
Height-adjustable
Chair mechanism
Permanent contact mechanism
Wheel type
Castors
Max. load
110 kg
Recommended sitting time
8 h

Chair components

Seat shell shape
Trough seat
Seat surface
Height-adjustable, Three-dimensionally movable
Back rest
Height-adjustable, Lumbar support, Tiltable
Armrest
Permanently mounted
Headrest
None

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Format (dimension)
113 x 58 x 44 cm
Width
58 cm
Depth
44 cm
Height
117 cm
Seat width
48 cm
Seat depth
44 cm
Seat height
55 cm
Min. seat height
42 cm
Max. Seat height
55 cm
Weight
17 kg

Legal Notice

Product Safety

Package dimensions

Length
81 cm
Width
60 cm
Height
39 cm
Weight
23 kg

14-day cancellation right
30-day right of return
24 Months statutory warranty
Report concern

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Office chairs» category have a defect within the first 24 months?

Source: Galaxus
  • 2.Inter Link
    0,3 %
  • 2.Nowy Styl
    0,3 %
  • 4.Leitz
    0,7 %
  • 4.Topstar
    0,7 %
  • 6.Amstyle
    1,2 %

Statutory 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: Galaxus
  • 1.Amstyle
    0 days
  • 2.Topstar
    4 days

Return rate

How often is a product of this brand in the «Office chairs» category returned?

Source: Galaxus
  • 3.Amstyle
    0,8 %
  • 4.Bimos
    1,1 %
  • 5.Topstar
    1,4 %
  • 6.Leitz
    2,9 %
  • 7.Trendoffice
    4,1 %
Source: Galaxus