Motorcycle helmet

Protective headgear for motorcycle riders

A collection of AGV motorcycle helmets, including those used by Valentino Rossi.

A motorcycle helmet is a type of protective headgear used by motorcycle riders. The primary goal of a motorcycle helmet is to protect the rider's head during impact, thus preventing or reducing head injury and saving the rider's life. Helmets are a critical component of motorcycle safety and are often required by law in many countries.

History

T.E. Lawrence, also known as Lawrence of Arabia, was an early advocate for motorcycle helmets.

The development of the motorcycle helmet was significantly influenced by the tragic death of T.E. Lawrence, also known as Lawrence of Arabia, in 1935. His death from a motorcycle accident led to the introduction of the first motorcycle helmet standards. Over the years, helmet design and technology have evolved significantly, incorporating advanced materials and safety features.

Types of Motorcycle Helmets

Motorcycle helmets come in various styles, each offering different levels of protection and comfort.

Full-Face Helmets

A full-face helmet provides the most comprehensive protection.

Full-face helmets cover the entire head, including the chin and face. They offer the highest level of protection and are popular among sport and touring riders. The visor protects the eyes from wind, dust, and debris.

Open-Face Helmets

An open-face helmet provides less protection than a full-face helmet.

Open-face helmets, also known as 3/4 helmets, cover the top, back, and sides of the head but leave the face exposed. They are often used by cruiser and scooter riders who prefer more ventilation and visibility.

Modular Helmets

Modular helmets, or flip-up helmets, combine features of full-face and open-face helmets. The chin bar can be flipped up, allowing the rider to have an open-face experience when desired.

Off-Road Helmets

An off-road helmet designed for motocross and dirt biking.

Off-road helmets are designed for motocross and dirt biking. They feature a more pronounced chin bar and a sun visor, and they are often used with goggles for eye protection.

Half Helmets

Half helmets cover only the top of the head and offer the least protection. They are popular among cruiser riders but are not recommended for high-speed riding due to their limited coverage.

Helmet Construction

Motorcycle helmets are constructed using several layers to provide maximum protection.

Outer Shell

The outer shell is typically made from polycarbonate, fiberglass, or carbon fiber. It is designed to distribute the force of an impact over a larger area.

Impact-Absorbing Liner

Beneath the outer shell is an impact-absorbing liner, usually made of expanded polystyrene (EPS) foam. This layer absorbs the energy of an impact, reducing the force transmitted to the rider's head.

Comfort Padding

The comfort padding is the innermost layer, providing a snug fit and comfort for the rider. It is often removable and washable.

Retention System

The retention system, or chin strap, secures the helmet to the rider's head. It is crucial for ensuring the helmet stays in place during an accident.

Helmet Safety Standards

Motorcycle helmets must meet specific safety standards to ensure they provide adequate protection. Common standards include DOT (Department of Transportation) in the United States, ECE (Economic Commission for Europe) in Europe, and Snell Memorial Foundation standards.

Helmet Use and Legislation

A U.S. Marine wearing a helmet while riding a motorcycle.

Helmet laws vary by country and region. In many places, wearing a helmet is mandatory for all motorcycle riders and passengers. These laws aim to reduce fatalities and serious injuries in motorcycle accidents.

Related Pages

• Motorcycle safety
• Protective gear
• Traffic safety