Office swivel chair Topstar Tec 20 with black PU upholstery, adjustable height, caster base

Topstar Tec 20 is an office swivel chair with black polyurethane (PU) upholstery and a moulded seat design. The chair includes a height-adjustable gas lift, a five-star caster base with load-dependent braked twin safety castors and a stable base for everyday desk work and home office use. It supports up to 110 kg and does not include a foot ring.

Advantages

The PU surface is durable and easy to wipe clean while the moulded seat provides basic ergonomic support for extended sitting. The 360° swivel and stable five-star base with safety double castors ensure smooth movement and reliable seating. Height adjustment allows adaptation to different desk heights.

Suitable for

• Desk work in offices
• Home office and remote work
• General administrative tasks
• Computer and study work

Key specifications

• Upholstery material: Polyurethane (PU), black
• Seat type: Special moulded seat (muldenform)
• Seat dimensions (W x D): 460 x 420 mm
• Height adjustment range (seat height): 420–550 mm
• Backrest height: 300 mm
• Base: Five-star caster base, stable construction
• Castors: Load-dependent braked twin safety castors
• Swivel: 360°
• Load capacity: 110 kg

How to use

Adjust the seat height with the gas lift lever so your thighs are roughly parallel to the floor and your feet rest flat on the ground. Use the 360° swivel and caster base to move around the workspace without strain. The chair does not include a foot ring; if needed, use an external footrest to maintain ergonomic posture.

Usage recommendations

For surface care, wipe the PU upholstery with a soft, damp cloth and mild detergent if necessary; avoid abrasive cleaners or solvents. Periodically check castors and gas lift for wear and ensure fastenings remain secure. Not intended for outdoor use.