Topstar Operator swivel chair BIGSTAR20
Only 3 pieces in stock at third-party supplier
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Product details
BIGSTAR20 swivel chair with point-synchronous mechanism, maximum load of 150 kg, in blue.
It features height-adjustable armrests with soft padding and an easy-care fabric cover. Equipped with a polished aluminum base and standard wheels for soft floors. The point-synchronous mechanism allows for individual adjustment of the seat and backrest tilt based on body weight, and the backrest includes an integrated lumbar support.
The gliding seat is made of foam in a plastic shell and is infinitely adjustable. The flat seat has a deep and wide shape made of foam in a plastic underside with an additional knee support.
This chair is fully equipped with height-adjustable armrests and a heavily padded flat seat with knee support, featuring adjustable seat depth and tilt. It complies with the LGA guidelines for heavy-duty swivel chairs according to DIN EN 1335 parts 1 - 3, with wheels that meet the standards DIN EN 12527 and DIN EN 12529.
Material | Aluminium, Polyester |
Office chair features | Armrest, Ergonomic |
Chair mechanism | Synchronised mechanism |
Max. load | 150 kg |
Seat width | 54 cm |
Item number | 9108696 |
Manufacturer | Topstar |
Category | Office chairs |
Manufacturer No. | BT290TW56 |
Release date | 6.7.2018 |
External links |
Colour | Blue |
Exact colour description | Blue |
Material group | Plastic |
Material | Aluminium, Polyester |
Frame material | Aluminium |
Cover material description | Polyester |
Target group | Adults |
Office chair features | Armrest, Ergonomic |
Chair mechanism | Synchronised mechanism |
Wheel type | Castors |
Max. load | 150 kg |
Recommended sitting time | 8 h |
Seat shell shape | Flat seat, Sliding seat |
Seat surface | Tiltable |
Armrest | Height-adjustable |
CO₂ emissions | 6.46 kg |
Climate contribution | CHF 0.15 |
Width | 54 cm |
Depth | 46 cm |
Seat width | 54 cm |
Seat depth | 46 cm |
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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- 24.Giroflex0.9 %
- 24.vidaXL0.9 %
- 26.Topstar1 %
- 26.Wiltec1 %
- 28.Amstyle1.1 %
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.Songmics0 days
- 1.tectake0 days
- 1.Topstar0 days
- 7.Giroflex1 day
- 8.HAG2 days
Return rate
How often is a product of this brand in the «Office chairs» category returned?
Source: Digitec Galaxus- 15.Idimex1.5 %
- 17.ofinto1.6 %
- 18.Topstar1.7 %
- 19.Leitz2.2 %
- 19.Mark Adler2.2 %


