Silla de oficina giratoria Topstar Synchro Steel, tela, negra, soporte lumbar, mecanismo síncrono puntual, espuma moldeada (8929 G20)

The Topstar Synchro Steel stands out with its point synchronous mechanism and ergonomic lumbar seat, offering precise support for long working hours. Unlike basic swivel chairs, it combines a polished steel frame with a height-adjustable backrest and fixed T-armrests for a stable, tailored fit.

Highlights

• Point synchronous mechanism synchronizes seat and backrest movement
• Ergonomic lumbar seat (Bandscheibensitz) promotes healthy posture
• Height-adjustable backrest via raster mechanism
• Polished steel base with double safety casters for carpeted floors
• Safety gas spring for smooth height adjustment
• Molded foam seat padding for all-day comfort

In daily use

The chair supports users up to 110 kg and is recommended for up to 8 hours of daily use. Seat height adjusts from 430 to 510 mm, while the fixed T-armrests provide consistent arm support. The black fabric upholstery is durable and easy to maintain, making it suitable for both home offices and professional environments.

Full specifications

• Mechanism type: Point synchronous mechanism
• Seat type: Ergonomic lumbar seat (Bandscheibensitz)
• Upholstery material: Fabric
• Upholstery colour: Black
• Base material: Polished steel
• Armrests: Fixed T-armrests
• Casters: Double safety casters for carpeted floors
• Gas lift: Safety gas spring
• Maximum user weight: 110 kg
• Seat height adjustment range: 430 - 510 mm
• Seat width: 480 mm
• Seat depth: 480 mm
• Backrest height: 580 mm
• Backrest width: 480 mm
• Backrest adjustment: Height adjustable via raster mechanism
• Seat padding: Molded foam
• Recommended daily usage: Up to 8 hours
• Certifications: GS-tested (TÜV Rheinland)

Final note

Engineered in Germany, the Synchro Steel delivers reliable ergonomic performance with a focus on durability and user comfort.