Back System Mechanism

DT3 Back System R Mechanism for Office Swivel Chair – Height Adjustment, Backrest Recline with Free Locking and Relax Function. Compatible with the models DT3 Moira, Diana, Diana FE, Maya and Celeste.

Equipped with two independent control levers, the mechanism allows height adjustment and recline with free locking in any position, reaching a maximum tilt of 130°, ideal for short breaks or moments of relaxation. The relax function is also included, with tension adjustment via a manual knob.

With a reinforced structure, the DT3 Back System R Mechanism ensures stability, durability, and smooth operation, even during prolonged use. Ideal for those seeking reliability and ergonomics without compromising chair performance.

• Original DT3 models: Moira, Diana, Diana FE, Maya and Celeste (mechanism used in models up to November 2023).
• Applicable to office swivel chairs.
• Type: Back System R.
• Operation: 2 independent levers (height adjustment and recline lock).
• Height adjustment.
• Recline with free locking (up to 130°).
• Relax function with rocking motion.
• Adjustable tension via manual knob.
• Reinforced and durable structure.
• Stable, smooth, and quiet operation.
• Easy installation.
• Please check mounting hole measurements before purchase.