HVA MASTER combi helmet adopts modular design, which can be switched between full helmet, half helmet, rally helmet, half rally and other forms, which can be adapted to different car models, different occasions, and different state of the helmet form of the demand for change, to DIY users also created a greater space for moldable.
Structural design:
Modular combinations：The most important feature of the MASTER is its modular design, which allows it to be switched between a variety of forms such as full helmet, half helmet, rally helmet and half rally. For example, by installing or removing components such as the brim and chinstrap, it allows the rider to change the shape of the helmet according to different riding scenarios and needs, realizing the multi-purpose use of one helmet.
Adjustable parts: The MASTER's chin can be optioned by the user's own favorites and can be DIY'd in different combination forms, and the MASTER's brim has a multi-position adjustable function, which can be adjusted according to different light angles and riding postures, to provide the rider with a better field of vision and protection.
Material & Weight：
Material Selection：The main body of the MASTER is made of ABS high hardness material and high-density blackened EPS cushioning layer. With good strength and toughness, it can provide reliable protection; it has excellent impact resistance to ensure the safety of the rider.
Weights：1390G±50G.The lighter weight reduces the burden on the rider's neck and improves wearing comfort so that the rider does not feel overly fatigued during long rides.
Ventilation system：
Disclose information:MASTER is designed with multiple air ducts, following the bad through the points to remove fog, discharging the hot air inside, feeling cool and comfortable riding experience.
Lining and comfort：
Lining Material：3D elastic foam for comfort including head
Fit and Adjustability：Removable lining, soft and comfortable, breathable and not stuffy, easy to wash.
Safety performance：
safety certification：MASTER has passed multiple safety certifications such as 3C, DOT, ECE, etc., which ensures the performance of the helmet in terms of impact resistance, penetration resistance, etc., and is able to provide reliable safety protection for the rider.
Other basic functions:
Safety carabiners:Multi-stage anti-dislodgement buckle, firm snap, silky smooth locking, not fall off more secure.
Card slot reservation:Helmet has equipped with Bluetooth headset card slot, convenient for various models of helmet Bluetooth headset for installation;
Quick-open switch:Quickly switch the lens on and off with one hand for easier and smoother operation during the ride.
Helmet base information (with helmet in sideways position):
Length: 34.5cm Width: 26cm Height: 26cm
*Parameters measured manually, there may be 1-3cm error, specific in kind shall prevail.
Sizing Recommendations:
| Size | M | L | XL | 2XL |
| Head circumference (CM) | 56-57 | 58-59 | 60-61 | 62-63 |
*Warm tips: the recommended size is for reference only, if you meet the card size / wear glasses, you can shoot one size larger.
HVA guards every moment of the ride
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