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eMobility
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Fitness
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Office
TWHEELS
Office chair ProActive – TWHEELS
48900
Office chair ProActive
Ideal for home office and office
- Ergonomic air-mesh back design ensures constant air circulation & freshness
- Synchronous mechanism (30° tilt) + gas lift height adjustment: active sitting, perfect posture
- Continuously adjustable lumbar support & padded headrest (removable) relieve spine and neck
- 3-D armrests (height, width, angle) reduce shoulder and wrist strain
- Steel frame & SGS-tested gas lift support up to 120 kg – maximum safety
- PU-coated casters + 360° rotation: silent, parquet-friendly mobility
- Assembled in 10 minutes – Tool Kit included
Included:
✓Headrest ✓Tool Kit ✓Printed Manual
Office chair ProActive
Ideal for home office and office
- Ergonomic air-mesh back design ensures constant air circulation & freshness
- Synchronous mechanism (30° tilt) + gas lift height adjustment: active sitting, perfect posture
- Continuously adjustable lumbar support & padded headrest (removable) relieve spine and neck
- 3-D armrests (height, width, angle) reduce shoulder and wrist strain
- Steel frame & SGS-tested gas lift support up to 120 kg – maximum safety
- PU-coated casters + 360° rotation: silent, parquet-friendly mobility
- Assembled in 10 minutes – Tool Kit included
Included:
✓Headrest ✓Tool Kit ✓Printed Manual
| Material | Steel frame, polyamide base, breathable Air‑Mesh |
| Mechanism | Synchronous mechanism (30° tilt) with stepless weight adjustment |
| Seat height | 44 – 54 cm (Gaslift Class 4) |
| Seat depth | 46 – 51 cm (slidable seat cushion) |
| Backrest | Air‑Mesh 46 × 56 cm, 90° – 120° tilt |
| Armrests | 3-D (height 17 – 22.5 cm, width 44 – 48 cm, angle) |
| Headrest | Height & angle adjustable, softly padded |
| Lumbar support | Height & depth adjustable, integrated support pad |
| Casters | PU-coated, for hard & soft floors, Ø 60 mm |
| Rotation | 360° freewheel |
| Max. user weight | up to 135 kg (new ProActive series, internally tested) |
| Product weight | 18 kg |
| Dimensions (W × D × H) | 66 × 66 × 115 – 130 cm (depending on seat & back position) |
| Assembly time | Ø 10 minutes, tool kit included |
| Warranty | 2 years limited (first buyer) |
| EAN | 7649999999999 |
Simply sit better. With the TWHEELS office chair. Whether you work, study, or play for long periods.
Whether it's hours of meetings, focused studying, or gaming sessions late into the night – your back handles it all. Provided you sit correctly.
With the TWHEELS office chair, you bring comfort and ergonomics into your daily life – completely without back pain, but with smart functionality and modern design.
Steplessly adjustable backrest, height-adjustable seat surface, and movable armrests – for an optimal posture during every activity.
Smooth-running casters, 360° rotation, and easy assembly – the TWHEELS office chair adapts to you and your everyday life.
For pupils & students
For focused learning without posture damage
For home office & office
For everyone who spends many hours at the desk - and wants to relieve their back
For gamers & creatives
For everyone who values comfort and mobility while sitting
For everyone who values quality
Durable, functional and in a modern look - this chair fits into any environment
Adjustable ergonomics - Sit as you need
Whether upright for working or relaxed leaning back for thinking – the TWHEELS office chair can be individually adjusted. Backrest, seat height, and armrests are flexibly adjustable – for maximum comfort in every position.
Comfortable material – breathable & durable
The breathable mesh back material ensures pleasant air circulation, even on long days. The seat surface is comfortably padded and the cover is durable – for many years of worry-free sitting.
Secure stance - mobile & stable at the same time
The stable base and smooth-rolling casters offer you full freedom of movement without compromising safety. Ideal for smooth floors, carpet, or even gaming mats.
Design meets function – suitable for every room
Simple black, modern lines, compact form: The TWHEELS office chair looks good in any room – whether youth room, office, or gaming setup.
FAQ
What is included in the delivery?
- TWHEELS office chair ProActive
- Seat & back module pre-assembled
- 5-star base
- Gas lift (Class 4)
- 3-D armrests
- Headrest
- Tool kit for assembly
- Printed manual (DE/FR/IT/EN)
How is the office chair delivered?
- The delivery is made in one package.
- Shipping service providers: Swiss Post & GLS
What mass and weight does the package have?
- Dimensions: approx. 68 × 68 × 60 cm
- Weight: approx. 24 kg
For which body height and seat height is the chair suitable?
- The seat height can be adjusted from 44 – 54 cm (Gaslift class 4). This generally covers body heights of approximately 160 – 200 cm and meets the requirements of DIN EN 1335.
What is the maximum load capacity?
- SGS-tested steel frame & gas lift support up to 135 kg.
- This means the chair exceeds the usual 110 kg of DIN EN 1335.
How long does the assembly take?
- Thanks to the pre-assembled seat & back module, the chair is ready for use in approx. 10 minutes. The assembly tool is included in the delivery.
Which rollers are installed – and are there replacement rollers for hard floors?
- Factory PU-coated universal rollers (Ø 60 mm) for hard & soft floors.
- Replacement/hard floor rollers with 10 mm or 11 mm pin can be reordered at any time through our support.
Is the chair ergonomically certified?
- The ProActive meets the essential requirements of DIN EN 1335 for office swivel chairs. Gas lift and components are SGS and BIFMA tested.
How do I properly clean and maintain the chair?
- Regularly vacuum with a soft vacuum cleaner attachment.
- Remove stains with a slightly damp microfiber cloth and mild soapy water – do not use solvents.
- Let mesh back dry in the air, do not blow dry.
Instructions
Specifications
| Material | Steel frame, polyamide base, breathable Air-Mesh |
| Mechanism | Synchronous mechanism (30° tilt) with stepless weight adjustment |
| Seat height | 44 – 54 cm (Gaslift Class 4) |
| Seat depth | 46 – 51 cm (slidable seat cushion) |
| Backrest | Air-Mesh 46 × 56 cm, 90° – 120° tiltable |
| Armrests | 3-D (height 17 – 22.5 cm, width 44 – 48 cm, angle) |
| Headrest | Height & angle adjustable, softly padded |
| Lumbar support | Height & depth adjustable, integrated support pad |
| Casters | PU-coated, for hard & soft floors, Ø 60 mm |
| Rotation | 360° freewheel |
| Max. user weight | up to 135 kg (new ProActive series, internally tested) |
| Product weight | 18 kg |
| Dimensions (W × D × H) | 66 × 66 × 115 – 130 cm (depending on seat & back position) |
| Assembly time | Ø 10 minutes, tool kit included |
| Warranty | 2 years limited (first buyer) |
| EAN | 7649999999999 |
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