ThunderX3 XTC – Premium Ergonomics with Adaptive Support

The ThunderX3 XTC Ergonomic Chair – Mesh Black (TEGC-3054101.11) is engineered for users who demand premium comfort, adaptive lumbar support, and long-session durability. Featuring ThunderX3’s advanced SYNC5 synchronous tilt mechanism, the XTC allows the seat and backrest to recline together in perfect harmony — maintaining natural spinal alignment whether you’re leaning forward, sitting upright, or reclining.

The chair’s self-adjusting lumbar cradle automatically adapts to your posture, providing continuous lower-back support without manual adjustments. Its high-tensile breathable mesh backrest enhances airflow, keeping you cool during long gaming or work sessions, while the ergonomically curved X-shaped frame provides upper-body stability and premium comfort.

With 3-direction adjustable armrests, seat height and depth adjustment, and a Class-4 gas lift, the XTC offers a fully customizable seating experience. Built with a reinforced steel frame, 75 mm PU casters, and a robust base, the chair supports users up to 125 kg and is designed for long-term reliability.

Key Features

• SYNC5 Synchronous Tilt Mechanism – Seat and backrest recline together for natural ergonomic movement.
• Self-Adjusting Lumbar Support – Automatically adapts to your posture for continuous lower-back support.
• Breathable High-Tensile Mesh Backrest – Enhances airflow and keeps you cool during long sessions.
• Ergonomic X-Shaped Frame – Provides upper-body stability and premium comfort.
• 3-Direction Adjustable Armrests – Height, angle, and depth adjustments for perfect arm positioning.
• Adjustable Seat Depth – Fine-tune your seating position for optimal posture.
• Multi-Angle Recline Lock – Choose your preferred recline angle for gaming, working, or relaxing.
• Class-4 Gas Lift & Steel-Reinforced Base – Durable, stable, and BIFMA-certified.
• 75 mm PU Casters – Smooth, quiet movement on all surfaces.
• Supports Users Up to 125 kg
• 12-Month Manufacturer Carry-In Warranty

What’s in the Box

• ThunderX3 XTC Ergonomic Chair – Mesh Black
• Assembly hardware & tools
• User manual
• 12-Month Manufacturer Carry-In Warranty

Technical Specifications

General

Ergonomics

Materials & Build

Dimensions & Weight