









Model 54 Ergonomic Office Chair
Black · Metal Base
Model 54 is a premium ergonomic office chair built for active sitting, with a dynamic rocking backrest, Donati Italy weight-activated synchro mechanism, true 4D armrests, adjustable lumbar support, and seat-depth adjustment for long, movement-friendly workdays.
- Dynamic rocking backrest moves with your body to reduce stiffness
- Donati Italy synchro mechanism adjusts recline tension automatically
- 5-position backrest lock for focused work or relaxed reclining
- True 4D armrests adjust height, width, depth, and rotation
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Free shipping | 15-day returns | 7-year warranty
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Model 54 is a movement-focused ergonomic office chair for long workdays, active sitting, and users who dislike rigid task chairs. It combines a dynamic rocking backrest, Donati Italy weight-activated synchro mechanism, outward-extending 4D armrests, adjustable lumbar support, seat-depth adjustment, and a 7-year warranty for controlled movement and serious everyday support.
Donati Italy weight-activated synchro mechanism
The mechanism responds to your body weight for smoother recline control, while the dynamic rocking backrest helps the chair feel more active and less static through long work sessions.
| Best for | Long workdays, active sitting, users who want stronger movement and arm adjustability |
|---|---|
| Core mechanism | Donati Italy weight-activated synchro mechanism with dynamic rocking backrest |
| Movement | Backrest follows body movement more naturally than a static backrest |
| Adjustments | Seat height, seat depth, adjustable lumbar, outward-extending 4D armrests, and multi-position recline lock |
| Armrests | True 4D armrests with height, outward width extension, depth, and rotation adjustment |
| Materials | Breathable mesh backrest, high-density foam seat, glass-reinforced polymer frame components, nylon or metal base |
| Load capacity | Up to 125 kg |
| Warranty | 7 years |
| Connected products | Model 54 Headrest SmoothGlide Wheels |
| Downloads | Installation & Functions Guide Installation Video 3D Model - SKP 3D Model - OBJ |
| Overall height | 40–44 in |
|---|---|
| Seat height | 16–20 in, with 4 in height adjustment range |
| Seat depth | 18–22 in, with 4 in seat-depth adjustment range |
| Overall width | 24.6–26 in |
| Back / chair width | 21–24 in |
| Base width | 24–27 in |
| Seat tilt | 25° tilt range |
| Recline lock | 5-position backrest lock |
| Maximum load | 125 kg |
| Assembled weight | 18 kg |
| Fit note | Best for users who want active back movement, strong arm adjustment, lumbar support, and seat-depth control. |
| Active sitting feel | The dynamic rocking backrest follows body movement more naturally, helping the chair feel less rigid during long desk sessions. |
|---|---|
| Balanced recline | The Donati weight-activated synchro mechanism responds to user weight, helping recline feel smoother and more controlled. |
| Focused or relaxed posture | The 5-position backrest lock lets users choose a more upright work position or a more relaxed reclining position. |
| Strong arm adjustability | True 4D armrests adjust across height, width, depth, and rotation, making Model 54 a strong choice for users who care about arm positioning. |
| Better thigh support | Seat-depth adjustment helps tune the seat pan for different leg lengths and reduces the one-size-fits-all feel of basic office chairs. |
| Lower-back support | The adjustable lumbar support helps tune lower-back contact through long work sessions. |
| Cooler sitting | The breathable mesh backrest supports airflow, while the high-density foam cushion keeps the seat supportive for everyday use. |
| Daily workspace confidence | 125 kg support, 18 kg assembled weight, base options, free shipping, 15-day returns, and a 7-year warranty make it a safer long-term purchase. |
Open pricing
See what goes into Model 54.
A focused look at the major build components behind Model 54: movement materials, Donati mechanism, assembly, delivery, warranty support, and operating overheads.
Shown price
₹31,200
Model 54 Black / Metal Base
Materials
Mesh, foam, frame, lumbar, 4D arms, base, casters, and packaging.
Mechanism
Donati synchro, rocking backrest system, gas lift, and controls.
Labour, QA & delivery
Assembly, inspection, packing, handling, and delivery.
Overheads
Warranty systems, service support, payment, and platform costs.
Breakdown details
Materials ₹10,300
Mechanism ₹9,100
Labour, QA & delivery ₹2,500
Overheads ₹1,500
Why we show this
Active sitting depends on the movement system. Model 54’s cost is driven by the Donati mechanism, rocking backrest system, 4D armrests, and material structure that make it feel less static.
Overview
Model 54 is a movement-focused ergonomic office chair for long workdays, active sitting, and users who dislike rigid task chairs. It combines a dynamic rocking backrest, Donati Italy weight-activated synchro mechanism, outward-extending 4D armrests, adjustable lumbar support, seat-depth adjustment, and a 7-year warranty for controlled movement and serious everyday support.
Donati Italy weight-activated synchro mechanism
The mechanism responds to your body weight for smoother recline control, while the dynamic rocking backrest helps the chair feel more active and less static through long work sessions.
| Best for | Long workdays, active sitting, users who want stronger movement and arm adjustability |
|---|---|
| Core mechanism | Donati Italy weight-activated synchro mechanism with dynamic rocking backrest |
| Movement | Backrest follows body movement more naturally than a static backrest |
| Adjustments | Seat height, seat depth, adjustable lumbar, outward-extending 4D armrests, and multi-position recline lock |
| Armrests | True 4D armrests with height, outward width extension, depth, and rotation adjustment |
| Materials | Breathable mesh backrest, high-density foam seat, glass-reinforced polymer frame components, nylon or metal base |
| Load capacity | Up to 125 kg |
| Warranty | 7 years |
| Connected products | Model 54 Headrest SmoothGlide Wheels |
| Downloads | Installation & Functions Guide Installation Video 3D Model - SKP 3D Model - OBJ |
Dimensions
| Overall height | 40–44 in |
|---|---|
| Seat height | 16–20 in, with 4 in height adjustment range |
| Seat depth | 18–22 in, with 4 in seat-depth adjustment range |
| Overall width | 24.6–26 in |
| Back / chair width | 21–24 in |
| Base width | 24–27 in |
| Seat tilt | 25° tilt range |
| Recline lock | 5-position backrest lock |
| Maximum load | 125 kg |
| Assembled weight | 18 kg |
| Fit note | Best for users who want active back movement, strong arm adjustment, lumbar support, and seat-depth control. |
Benfits
| Active sitting feel | The dynamic rocking backrest follows body movement more naturally, helping the chair feel less rigid during long desk sessions. |
|---|---|
| Balanced recline | The Donati weight-activated synchro mechanism responds to user weight, helping recline feel smoother and more controlled. |
| Focused or relaxed posture | The 5-position backrest lock lets users choose a more upright work position or a more relaxed reclining position. |
| Strong arm adjustability | True 4D armrests adjust across height, width, depth, and rotation, making Model 54 a strong choice for users who care about arm positioning. |
| Better thigh support | Seat-depth adjustment helps tune the seat pan for different leg lengths and reduces the one-size-fits-all feel of basic office chairs. |
| Lower-back support | The adjustable lumbar support helps tune lower-back contact through long work sessions. |
| Cooler sitting | The breathable mesh backrest supports airflow, while the high-density foam cushion keeps the seat supportive for everyday use. |
| Daily workspace confidence | 125 kg support, 18 kg assembled weight, base options, free shipping, 15-day returns, and a 7-year warranty make it a safer long-term purchase. |
Open Pricing
Open pricing
See what goes into Model 54.
A focused look at the major build components behind Model 54: movement materials, Donati mechanism, assembly, delivery, warranty support, and operating overheads.
Shown price
₹31,200
Model 54 Black / Metal Base
Materials
Mesh, foam, frame, lumbar, 4D arms, base, casters, and packaging.
Mechanism
Donati synchro, rocking backrest system, gas lift, and controls.
Labour, QA & delivery
Assembly, inspection, packing, handling, and delivery.
Overheads
Warranty systems, service support, payment, and platform costs.
Breakdown details
Materials ₹10,300
Mechanism ₹9,100
Labour, QA & delivery ₹2,500
Overheads ₹1,500
Why we show this
Active sitting depends on the movement system. Model 54’s cost is driven by the Donati mechanism, rocking backrest system, 4D armrests, and material structure that make it feel less static.
Model 54 Adjustments
Model 54 Adjustments
Take a Closer Look

Inspiring Design
Rocking mechanism allows the backrest to follow your movements, gently swinging left and right to reduce strain and promote circulation.

Adaptable Arms
Four-way adjustable and outward extendable armrests enable personal depth, height and width

Italian Mechanism
Made in Italy Donati Mechanism provides a superior adjustment comfort using state of art mechanics

Soft Lumbar
Designed from ground up for Model 54, this soft lumbar support provides comfort whole day long.

Contoured Comfort
A moulded highest quality foam that keeps your body energetic even with all day sitting





