Introduction
This manual provides essential information for the safe and proper use, maintenance, and care of your MT Helmets Atom SV Divergence A12 modular motorcycle helmet. Please read this manual thoroughly before using your helmet and keep it for future reference. Your safety is paramount.
Safety Information
- Always wear a helmet that fits correctly and is securely fastened. An improperly fitted or unfastened helmet can reduce its protective capabilities.
- Never modify your helmet. Any alterations, including drilling, painting, or attaching accessories not approved by MT Helmets, can compromise the helmet's structural integrity and void the warranty.
- Do not expose your helmet to extreme temperatures or harsh chemicals, as these can damage the shell and internal components.
- A helmet is designed for a single impact. If your helmet sustains an impact, even if there is no visible damage, it should be replaced immediately. The protective materials may have been compromised.
- Ensure the visor is clean and free from obstructions for clear vision at all times.
- This helmet is designed for motorcycle use only.
Setup and Fit
1. Initial Inspection
Before first use, carefully inspect your helmet for any signs of damage from shipping. Check the shell, visor, chin strap, and all moving parts for proper function.
2. Sizing and Proper Fit
A helmet must fit snugly and comfortably. To check the fit:
- Place the helmet on your head, ensuring it sits level and covers your forehead.
- The cheek pads should press firmly against your cheeks.
- With the chin strap unfastened, try to rotate the helmet from side to side and front to back. If the helmet slides easily, it is too large. The skin on your head should move with the helmet.
- Fasten the chin strap securely.

Image: Side view of the MT Helmets Atom SV Divergence A12 helmet, illustrating its design and modular chin bar.
3. Chin Strap Fastening
The chin strap must always be securely fastened. The Atom SV Divergence A12 typically uses a micrometric buckle system. To fasten:
- Insert the toothed strap into the buckle until it is snug against your throat.
- Pull on the strap to ensure it is locked. It should not be uncomfortably tight, but tight enough that you cannot pull the helmet off your head when pulling upwards from the rear.
- To release, lift the red lever on the buckle and pull the strap out.
Operating Your Helmet
1. Visor Operation
The clear outer visor can be opened and closed using the tab located at the bottom center or side of the visor. It features multiple detent positions to allow for varying levels of airflow.

Image: Front view of the MT Helmets Atom SV Divergence A12 helmet, showing the main clear visor.
2. Modular Chin Bar Mechanism
The Atom SV Divergence A12 is a modular (flip-up) helmet. To raise the chin bar:
- Locate the release button or lever, typically found on the front center of the chin bar.
- Press the button and simultaneously lift the chin bar upwards until it locks into its fully open position.
- To close, press the release button again (if required by design) and push the chin bar down firmly until it clicks securely into the closed position. Ensure it is fully latched before riding.
3. Internal Sun Visor
Your helmet is equipped with an internal drop-down sun visor. Operate it using the slider mechanism located on the side of the helmet (usually left side). Slide it down to deploy and up to retract. Do not use the sun visor in low light conditions or at night.
4. Ventilation System
The helmet features adjustable vents for airflow. Typically, there are vents on the chin bar and top of the helmet. Slide the levers on these vents to open or close them, allowing you to control internal airflow and reduce fogging.
Maintenance and Care
1. Cleaning the Helmet Shell
- Use only mild soap and water with a soft cloth.
- Avoid abrasive cleaners, solvents, or petroleum-based products, as these can damage the helmet's finish and materials.
- Rinse thoroughly and dry with a soft, clean cloth.

Image: Rear view of the MT Helmets Atom SV Divergence A12 helmet, highlighting the rear ventilation and graphic details.
2. Cleaning the Visor
- Remove the visor from the helmet if possible (refer to specific visor removal instructions if needed, not detailed here).
- Wash with lukewarm water and a few drops of mild soap.
- Use a soft, lint-free cloth. Do not rub aggressively.
- Rinse thoroughly and allow to air dry, or gently blot with a clean microfiber cloth.
- Do not use chemical cleaners on the visor, especially if it has anti-fog or anti-scratch coatings.
3. Cleaning the Interior Liners
The interior comfort liners are typically removable for washing.
- Carefully detach the cheek pads and crown liner from the helmet.
- Hand wash in cold water with mild soap or a specialized helmet interior cleaner.
- Rinse thoroughly and air dry completely before re-installing. Do not machine wash or tumble dry.
4. Storage
Store your helmet in a cool, dry place away from direct sunlight and extreme temperatures. Keep it away from chemicals, fuels, and cleaning agents that could damage the materials.
Troubleshooting
- Visor Fogging: Ensure ventilation vents are open. Consider using an anti-fog insert (Pinlock, if compatible) or anti-fog spray.
- Loose Chin Strap: Re-adjust the micrometric buckle for a snug fit. If the strap mechanism is damaged, discontinue use and seek professional inspection.
- Modular Chin Bar Not Latching: Ensure no debris is obstructing the mechanism. Apply gentle, even pressure until it clicks into place. If it consistently fails to latch, do not use the helmet in the closed position.
- Discomfort/Pressure Points: Re-check helmet sizing and fit. If discomfort persists, the helmet size or shape may not be suitable for your head.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Atom SV Divergence A12 |
| Type | Modular (Flip-up) Full-Face Helmet |
| Shell Material | ABS Plastic |
| Weight | Approximately 1500 Grams |
| Visor | Clear outer visor, integrated internal sun visor |
| Retention System | Micrometric buckle |
| Ventilation | Adjustable chin and top vents |
| Certifications | Meets ECE 22.05 and DOT safety standards (implied by images) |
Warranty and Support
MT Helmets products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your helmet or visit the official MT Helmets website. For technical support, spare parts, or any other inquiries, please contact your authorized MT Helmets dealer or the manufacturer directly.
Manufacturer: MT Helmets
Model Number: 8434639011779







