The Ultimate Motorcycle Helmet Types Guide: Choose Your Perfect Helmet

There are six main motorcycle helmet types: full-face, modular, open-face, half-helmet, adventure and off-road. Full-face helmets offer the highest level of safety due to fixed chin bar protection. Modular and open-face prioritise convenience and airflow. Adventure and off-road are built for specific types of riding. No matter the type, you need to ensure that the helmet you choose is road legal.

The six main types of motorcycle helmets:

• Full face: For maximum safety at maximum speed.
• Modular: Have your cake and eat it too with full face or open options.
• Open face: Maximum freedom, lower levels of protection.
• Half-helmets: Minimalist, road legal but somewhat lacking in protection.
• Adventure: Ready for anything, on-road or off-road.
• Motocross: The pure dirt performer.

Riding a motorcycle is the very essence of freedom. The feeling of being buffeted by wind, of leaning into tight corners, of seeing your front tyre swallowing up the bitumen; it's all an intoxicating rush.

The reason for the rush is the inherent danger, because the flipside of that freedom is exposure. Unlike drivers, you aren't surrounded by a metal cage if things go wrong. That's why helmets are a non-negotiable, as the law makes clear.

But just as important as wearing a helmet is wearing the right helmet. And that process begins with choosing your appropriate motorcycle helmet type.

At Bikebiz, Sydney's #1 motorcycle dealer, we're home to hundreds of different helmet models which we've thoroughly tested in local conditions. In this guide, we'll share our expert insights on the six main motorcycle helmet types, to help you choose the perfect lid for your personal preferences and riding style.

Why helmet choice matters: impact protection & design dynamics

Why are there so many different helmet types? Two reasons: safety factors and rider preferences.

Factors like fit and aesthetics will play a part in your preferred helmet. But a far more important consideration is the type of riding you'll be doing, and the unique risks that riding style presents.

A landmark 1981 study, for example, found that almost 45% of primary motorcycle crash impacts happen on the chin and face area. If you choose to wear an open face or half-helmet, you're inherently accepting those significant risks.

Different types of riding bring different types of risks. You're more likely to get bucked off while riding on uneven outback tracks. High-speed slides are most common on the highway and racetrack. Your ideal helmet configuration therefore depends on what it might be asked to deal with.

Key elements of a modern helmet include:

• The outer shell: Typically crafted polycarbonate, fibreglass or carbon fibre designed to disperse impacts across a wide area.
• The EPS foam liner: A multi-density layer hidden beneath the shell designed to absorb impacts.
• Design dynamics: Structural configurations that influence things like field of vision, aerodynamic stability and wind protection.

The 6 core motorcycle helmet types: a breakdown

There are six main types of motorcycle helmet, some of which are riding style-specific, others that are designed more for form than function. Let's break them down.

1. Full-face helmets: the safety benchmark

Vibe: chin bar impact protection, sports performance, highway comfort.

Why: Nothing protects your noggin better than a full-face helmet. A fixed, one-piece chin bar offers the highest level of impact mitigation during a crash, and is very useful day-to-day too, as it acts as a barrier against wind, rain and flying road debris. Enjoy the best wind noise reduction and aerodynamic stability on the market, particularly at high speeds. This fact makes full face mandatory for track days and highly recommended for long hauls at highway speeds.

2. Modular helmets: the touring companion

Vibe: The Swiss Army knife of motorcycle lids.

Why: Full-face coverage or open-face convenience? Por que no los dos? Modular helmets feature a front hinge mechanism that lets you flip up the chin bar and face shield when you want a quick chat, a quick drink or a bit of breeze. They're ideal for everyone from daily city commuters to interstate tourers – whoever wants a bit of adaptability from their lid. Keep in mind that modular helmets are a little heavier than traditional full-face options, so if weight is a concern the extra flexibility comes with a trade-off.

3. Open-face (3/4) helmets: the classic cruiser

Vibe: Vintage aesthetics, facial freedom, low speed protection.

Why: Popular among cruisers, cafe racers and the scooter crowd, open-face motorcycle helmets cover the top, sides and back of the skull while leaving your face open. They offer a massive, unobstructed field of view and plenty of airflow on hot summer days. Some also feature a drop-down sun visor. Wind and rain can become an issue at high speeds though, as can safety, because by eliminating the chin bar you expose your mug to flying road debris and tarmac impacts.

4. Half-helmets: the minimalist option

Vibe: Unbeatable airflow, underwhelming protection, chopper styling.

Why: Covering only the top of the skull down to the brow line, half-helmets offer the minimum legal protection required on Australian roads. No chin bars, no face shields, not even ear protection; by far your most risky option, half-helmets are nevertheless a chopper staple thanks to their unique style. They also provide unbeatable airflow, but this can become a bit of an issue at higher speeds.

5. Adventure/dual-sport helmets: the all-terrain hybrid

Vibe: Ready for tarmac, dirt and everything in between.

Why: Bridging the gap between the street and the dirt, adventure helmets are ready to handle whatever you throw at them. Choosing a dual-sport adventure helmet means you merge the aerodynamics of a street lid with the rugged, ventilated features of a dirt bike helmet: an elongated chin bar for extra breathing room, a wide eyeport fitted with a sealed face shield, and a prominent peak designed to deal with both the sun and any low-hanging branches.

6. Off-road/motocross helmets: the pure dirt performer

Vibe: Plenty of air, room and protection.

Why: Designed for the dirt, whether single-track outback trails or carefully crafted MX circuits, motocross/dirt bike helmets are full-face designs that forgo the faceshield in favour of an open eyeport built for goggles. They're defined by a sharp and angular chinbar, plentiful vents to deal with the sweat of dirtbike exertion, and a large top peak to block sun and flying mud. Be warned: all those features make them quite noisy and drafty at highway speeds, so these helmets are best treated as off-road only.

Crucial features to consider when buying a new helmet

You're ready to choose your lid. But what are the most important factors you need to consider? No matter what type of helmet you're leaning toward, the following three elements are what you should concentrate on:

• Safety certifications: Always verify that the helmet carries a valid compliance mark for Australian roads – ideally looking at ECE 22.06 certified lids, which carry the ultimate helmet safety rating.
• Shell materials: The outer shell largely dictates both the strength and the weight of the helmet. Polycarbonate is cheap but heavy. Fibreglass represents the middle ground for both. Carbon fibre is ultra-strong, ultra-lightweight, and naturally the high-priced choice.
• Internal comfort: High-end lids are lush. Integrated sun visors and Bluetooth speakers are super handy. Look for liners that are adjustable and washable – some even fill up with air to mould the inside of the lid to your head and face shape.

Motorcycle helmet types: FAQs

What is the safest type of motorcycle helmet?

Full-face helmets are the safest choice thanks to their fixed, single-piece chin bar, which wraps your head up completely. Modular helmets run a close second. Open-face or half-helmets are less safe as they leave your face vulnerable. For maximum impact mitigation, a full-face lid will always be the gold standard.

Can you ride with a modular helmet flipped up in Australia?

You can only legally ride with the chin bar flipped up if the modular helmet carries a dual-homologation P/J rating on the label. The P approves it as a full-face lid and the J approves it for use in open-face mode. Without this dual certification, the chin bar must remain locked down while in motion, and can only be flipped up when stationary. All but the most basic modular helmets in the Bikebiz range are P/J rated.

How often should I replace my motorcycle helmet?

You should replace your helmet every five years, because the EPS that forms the crush zone will degrade over time. One exception: if you have a crash, you need to replace your lid immediately – no excuses, no exceptions. Helmets are designed to sacrifice themselves just once, because the EPS acts like the crumple zone of a car, and won't bounce back for a second hit.

How do I calculate my correct motorcycle helmet size?

Wrap a flexible measuring tape around your head, roughly two centimetres above your eyebrows and ears, then compare this centimetre measurement to the relevant manufacturer size chart. Better yet, wander into a store and try a few on. The right helmet size will feel snug against your cheeks and brow, with no painful pressure points.

Find your ideal helmet at Bikebiz

Whether you're cruising around town, tearing through the chicanes or kicking up dirt on a motocross track, you need a lid that meets the moment. The best helmets pair form and function, delivering the performance you need for your mode of riding, and looking good while they do it.

At Bikebiz, we're home to a market-leading selection of road helmets from the world's biggest and best brands, including AGV, Shoei and HJC. No matter what silhouette you're looking for, or what tech and safety features you need inside, we've got you covered.

Browse our massive range of premium road helmets online today, or ride down to our Parramatta or Granville showrooms to chat with our in-store experts, slide a few options on and find your perfect fit.