While dirt bike helmets are primarily designed for off-road riding, they can be used for riding on pavement, but it is not ideal.
Dirt bike helmets are specifically designed to provide protection in off-road conditions, where the rider may encounter obstacles, jumps, and uneven terrain. They typically offer more ventilation, an extended visor for sun and debris protection, and a different shape to accommodate goggles. These features are advantageous for off-road riding but may not be as suitable for riding on pavement.
For pavement riding, it is generally recommended to use a motorcycle helmet specifically designed for street or road use. These helmets are designed to provide optimal protection and comfort for higher speeds on paved surfaces. They typically have a more aerodynamic shape, reduced wind noise, better sealing against wind and weather, and may include features like a face shield for eye protection.
While wearing a dirt bike helmet on pavement is better than not wearing a helmet at all, it may not offer the same level of protection or comfort as a helmet specifically designed for road use. It's essential to prioritize safety and choose a helmet that is appropriate for the type of riding you will be doing.