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The Simgasm Atlas GT Carbon is a fixed-back sim-racing seat for an upright and firmly supported GT driving position. Its carbon-composite shell has a distinctive Forged Carbon Look finish, available cushions in color black, blue, white, red or orange. The seat is prepared for 4-, 5- and 6-point harnesses and the installation of a compatible bass shaker. A separate side-mount bracket set is required to attach it to a cockpit.
Available accessories
- Additional accessories
+ Seat Sliders and Mounts
| Parameter | Details |
|---|---|
| Product name | Simgasm Atlas GT Carbon |
| SKU | SAGT-CCF, SAGT-CCF-CSBLU, SAGT-CCF-CSWIT, SAGT-CCF-CSRED, SAGT-CCF-CSORA |
| Product type | Fixed-back sim-racing seat |
| Driving position | Upright GT geometry with back and shoulder support |
| Shell material | Carbon composite |
| Shell finish | Forged Carbon Look |
| GT cushion colours | Black, blue, white, red or orange |
| Cushion filling | Memory foam |
| Removable cushions | Yes, washable according to the manufacturer's care instructions |
| Weight | 12 kg |
| Number of boxes | 2 |
| Cockpit installation | Side mounting, brackets sold separately |
| Supported harnesses | 4-, 5- and 6-point |
| Bass shaker | Factory-prepared hole pattern for a compatible unit |
| Additional mounting point | For a compatible cup holder, headset holder or similar accessory |
| Modular construction | The lower Atlas base is shared by the GT and Formula upper sections |
| Warranty | Up to 2 years |
| Product or rig component | Status | Notes |
|---|---|---|
| Simgasm Hobby | Compatible | Requires side-mount seat brackets |
| Simgasm Club | Compatible | Requires side-mount seat brackets |
| Simgasm Sport | Compatible | Requires side-mount seat brackets |
| Simgasm Pro | Compatible | Requires side-mount seat brackets |
| Simgasm Universal Seat Mount | Required | Attaches the seat to the cockpit and provides height and angle adjustment |
| Seat slider | Optional | Compatibility depends on the selected brackets and cockpit layout |
| Simgasm Atlas Lumbar Cushion | Optional | Select the GT version |
| 4-, 5- or 6-point harness | Compatible | Harness and cockpit anchoring hardware must be selected separately |
| Bass shaker | Compatible after model verification | The shell includes a prepared mounting-hole pattern |
| Atlas Formula upper section with Formula cushions | Optional upgrade | Attaches to the shared lower base in place of the GT upper section |
| Third-party cockpits | Verify individually | Compare the installation method, hole pattern and bracket adjustment range |
1. What driving position is the Simgasm Atlas GT Carbon designed for?
The seat is intended for the more upright and firmly supported driving position used in GT cars, touring cars and endurance racing.
2. What does the Forged Carbon Look finish mean?
It is the name of the shell's decorative finish with an irregular motorsport pattern inspired by forged carbon. The shell itself is made from carbon composite. The finish name should not be presented as confirmation that its decorative layer is made from solid forged carbon.
3. How is the colour variant selected?
The Forged Carbon Look shell finish is fixed, while the customer selects black, blue, white, red or orange GT cushions. Each configuration has its own SKU.
4. Does the backrest recline?
No. The backrest has fixed geometry. The height and angle of the complete seat are set during installation with compatible side-mount brackets.
5. Can the cushions be removed and washed?
Yes. The memory-foam cushion set is removable and can be washed according to the manufacturer's care instructions. The selected colour does not change the cushion construction.
6. Are cockpit mounting brackets included?
No. The seat requires side-mount brackets that are sold separately. The correct bracket set connects it to the cockpit and provides height and angle adjustment.
7. Can the Atlas GT Carbon be converted into a Formula seat?
Yes. The lower Atlas base is shared by both geometries. Conversion requires the separately sold Atlas Formula upper section and the matching Formula cushion set.
8. Which Simgasm cockpits are compatible?
The manufacturer lists the Simgasm Hobby, Club, Sport and Pro cockpits as compatible when the correct side-mount seat brackets are used.
9. Can a harness and bass shaker be installed?
Yes. The shell is prepared for 4-, 5- and 6-point harnesses and includes a factory hole pattern for a compatible bass shaker. The harness, bass shaker and mounting hardware are sold separately.
10. Which dimensions, maximum load and user-height range are published?
The manufacturer does not publish a textual specification for seat dimensions, maximum load or user-height range. No values should be estimated solely from photographs or a dimensional graphic.
11. How long is the warranty for Simgasm products?
Simline is the largest authorised seller of Simgasm in Poland and Europe. As an authorised Simgasm partner, all products from this brand are covered by full warranty protection for up to 2 years within the European Union, in accordance with Simgasm warranty terms.
12. How do I submit a warranty claim for a Simgasm product?
Simline.eu is an authorised Simgasm partner, so we act as an intermediary in the warranty process and handle submissions. Please email support@simline.eu or simgasm@simline.eu with photos and videos showing the defect, a description of the issue, and pack the equipment for collection.
- Shared modular Atlas lower seat base with a Forged Carbon Look finish
- Atlas GT upper section with a Forged Carbon Look finish
- Complete removable and washable GT memory-foam cushion set in the selected colour
- Tools and bolts for assembling the seat modules
- Pair of white gloves
Side brackets, seat slider, lumbar cushion, Formula upper section, Formula cushions, harness, bass shaker, bass-shaker hardware and other accessories are sold separately.



