Top 12 Best Bike Helmets For Big Heads [2024 UPDATE]

Finding a quality bicycle helmet when you have a head that is larger than everyone else’s can often be a challenge and extremely frustrating. However, they do exist, and we’ve managed to put a bunch of them together on this page to make your search for an oversized bike helmet a little easier.

Fortunately for cyclists looking for bike helmets for big heads, some of the biggest names in bicycle helmets manufacture larger-sized helmets, so you can be sure the helmet is top quality and meets the necessary safety standards.

So let’s quit with the small talk and cut to the chase. Directly below you can see a quick visual overview of the bicycle helmets for large heads that we’ve found for you. When you see one that catches your attention, just click on the ‘Learn More’, which will scroll you down to more details about that helmet.

Good luck. I’m confident that you will find something suitable for your needs.

Extra Large Bike Helmets

The size of extra large bike helmets is relative to the size of your head. Some people may consider a 61cm bike helmet to be an extra large size, while many others would struggle to try to get a 64cm bike helmet onto their heads.

Today, we bring to you the largest sizes of bicycle helmets on the market today, which currently range up to 66cm (26 inches).

Whether a 66cm bike helmet is considered an XL or an XXL bike helmet doesn’t really matter. What matters is that you can find a helmet that will fit your head comfortably without pinching or giving you a headache.

Even if the oversized helmet that you are searching for is only 60cm, then you will still find several here that will fit your big head. Check below to see how many different helmets are available for your head size.

VIDEO: How To Measure For A Bike Helmet

Finding That Elusive XXL Bike Helmet

Different helmet manufacturers use different terminology to name their sizes, so we are basing our sizing on centimeters and inches. If you are looking for an XL bike helmet, XXL bike helmet, XXXL bike helmet, or similar sizing, then you are sure to find something suitable below.

Before you start looking for an oversized helmet to fit your head, please be sure about your head size. See our article ‘How To Know Your Helmet Size’ to learn more about getting the correct size for your head. Or, better still, scroll up and watch our video How To Measure For A Bike Helmet.

A properly fitted helmet is the most important aspect of helmet safety. A helmet that is too loose or too tight will not be comfortable and may not protect your head adequately if you have an accident.

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Bike Helmets For Big Heads 67 cm (26.4 Inches) or Larger

We did try to find something in the range of 67 to 70cm worthy of addition to this list but couldn’t find anything except hype, hope, and misinformation.

If you can’t find a bike helmet for your head size on this page, I would suggest you take a look at an open-face motorcycle helmet. A 5XL motorcycle helmet will fit up to 70 cm, that’s 27.5 inches.

An open-face helmet isn’t as big and clunky as a full-face helmet, so is definitely worth looking into. On the downside, 5XL open-face helmets can be hard to find. But, you should be able to find a 4XL open-face which will fit up to 68cm.

This content was originally published on headsdontbounce.com. If it appears on another website, it is a violation of the copyright owned by headsdontbounce.com.

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Bicycle Helmets Up To 66 cm (26 inches)

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Trek Starvos WaveCel Cycling Helmet

XL Size: 60 – 66 cm (23.6 – 26 inches)

The Trek Starvos WaveCel Cycling Helmet is a stylish road helmet. Designed with advanced WaveCel technology for superior safety and performance. This helmet offers high-value protection against cycling-related head injuries. Suitable for both new and seasoned riders.

WaveCel technology is exclusive to Trek and Bontrager helmets. It absorbs rotational energy from angled impacts better than traditional foam helmets. With a Virginia Tech 5-star rating, ensuring top-tier protection on every ride.

The Headmaster fit system makes one-handed height and circumference adjustments easy. The chin straps are held neatly in place by LockDown dividers. And, washable moisture-wicking pads add to the comfort of this great helmet.

Certified to U.S. CPSC safety standards. Trek offers a Crash Replacement Guarantee if the helmet is involved in a crash within the first year of ownership.

The Trek Starvos WaveCel Cycling Helmet provides comfort, and reliability for all cyclists.

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Trek Circuit WaveCel Road Bike Helmet

XL Size: 60 – 66 cm (23.6 – 26 inches)

The Trek Circuit WaveCel Road Bike Helmet, is your top choice for safety, comfort, and performance. Whether you’re racing or riding for fun, this helmet has all the features you need.

This helmet uses WaveCel technology that absorbs impacts and rotational energy in an accident. The BOA Fit System lets you adjust the fit with one hand, making sure you’re always comfortable and secure.

The Blendr magnetic mount system makes it easy to attach GoPro cameras and Bontrager lights, so you’re ready for anything. The FlatStrap semi-fixed strap dividers lay flat and move for a perfect fit, while the soft, moisture-wicking pads keep you comfy and are easy to wash.

Certified to U.S. CPSC safety standards. Trek offers a Crash Replacement Guarantee if the helmet is involved in a crash within the first year of ownership. This eco-friendly helmet is made from 50% recycled materials.

With the Trek Circuit WaveCel Road Bike Helmet, you get top protection and versatility. Ride safely and in style with the Trek helmets.

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Bicycle Helmets Up To 65 cm (25.6 inches)

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Lumos Ultra Smart Bike Helmet

XL Size: 61 – 65 cm (24 – 25.5 inches)

The Lumos Ultra Smart Bike Helmet offers the ultimate in head protection and visibility for cyclists. With MIPS Protection, you have an extra layer of safety on your rides. Whether you cycle busy city streets or quiet country roads, this helmet has you covered.

With bright LED lights, the Lumos Ultra lets those behind you know your every move. Controlled by a wireless handlebar-mounted remote, signal your turns to those behind you, to keep you safer on the road.

When riding in a group, you can sync your LED lights using the Team Sync feature in the smartphone app. From the phone app you can make further adjustments to the LED as well as track your rides.

The Lumos Ultra Smart Helmet makes you visible from all angles, day and night. Not only that, but it’s weatherproof and well ventilated. A comfortable helmet in any conditions.

The battery lasts up to 10 hours and charges easily via a Universal USB Type-C cable. Certified by CPSC, EN1078, and AS/NZS 2063, ensuring top safety standards. Ride smart, ride safe with the Lumos Ultra Smart Bike Helmet.

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Abus Urban-I 3.0 Bike Helmet

XL Size: 61 – 65 cm (24 – 25.5 inches)

The Abus Urban-I 3.0 Bike Helmet is a top choice for urban cyclists in Germany and Europe. Popular among all ages, this helmet combines a sleek design with practical features, making it ideal for city riding.

The Urban-I 3.0 helmet is built to be strong and safe. It has a sturdy outer shell connected to shock-absorbing foam inside for great protection. Bright reflectors and a built-in net keep you visible and bug-free. Plus, the large LED light on the back shines in all directions, so you’re easily seen by others.

This helmet is ponytail compatible, providing a perfect fit for riders with long hair. The full-ring adjustable system encloses the entire head, offering a secure and customized fit. With 12 air inlets and 5 air outlets, the Urban-I 3.0 provides excellent ventilation to keep you cool.

The Fidlock magnetic strap buckle allows for easy, one-handed operation. Combining refined design with practical functionality, the Abus Urban-I 3.0 Bike Helmet is a must-have for urban cyclists. Ride safely and stylishly with the Urban-I 3.0.

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Smith Signal MIPS Adult Bike Helmet

XL Size: 61 – 65cm (24 – 25.5 inches)

The Smith Signal MIPS Adult Bike Helmet is a popular helmet, perfect for daily commutes and fun rides. This helmet gives you the protection you need with MIPS technology, which helps reduce impact from angled crashes.

The Smith Signal MIPS helmet fits comfortably and securely with its adjustable dial fit system. You can easily fine-tune the fit. It has 21 fixed vents and an AirEvac ventilation system. This keeps your glasses fog-free and your head cool. The helmet also has special channels for easy, hands-free glasses storage.

With a comfort lining and lightweight webbing, the Smith Signal MIPS helmet is both comfy and practical. It meets U.S. CPSC Safety Standards for Bicycle Helmets. It also complies with CE EN 1078 and AS/NZS 2063 standards.

Ride with confidence using the Smith Signal MIPS Adult Bike Helmet. It offers advanced protection, comfort, and convenience for every trip.

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Giro Syntax MIPS Bike Helmet

XL Size: 61 – 65 cm (24 – 25.5 inches)

One of Giro’s more popular helmets, the Giro Syntax MIPS Bike Helmet is the perfect mix of top protection, and good looks. Giving you extra coverage and high-performance features, making it great for all your cycling adventures.

Made with a tough polycarbonate shell and EPS foam using the In-Mold construction. This makes the helmet strong and well-ventilated without being bulky. With 25 wind tunnel vents and internal channels, the airflow keeps you cool.

The Roc Loc 5 Air MIPS system lets you easily adjust the fit for great comfort and stability on long rides. The integrated MIPS technology provides extra protection by redirecting energy from angled impacts.

Designed in Giro’s top-rated helmet test lab, the Giro Syntax MIPS offers quality protection. Its lightweight design ensures comfort without giving up safety. Ride confidently with the Giro Syntax MIPS Bike Helmet, made for superior protection, comfort, and style.

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Smith Payroll MIPS E-Bike/MTB Helmet

XL Size: 61 – 65cm (24 – 25.5 inches)

Stay protected while enjoying your adrenalin rush. The Smith Payroll MIPS E-Bike/MTB Helmet, designed for speed and adventure on the trails. This lightweight helmet is E-bike certified, which meets higher speed standards.

With Zonal Koroyd and MIPS, the Smith Payroll Helmet allows you to keep focused on the trail. An integrated skeletal structure, in-mold construction, and Zonal Koroyd ensures top-notch protection.

The VaporFit™ system integrates with the MIPS layer. This allows for easy on-the-go adjustments for a snug, comfortable fit all day long. Nineteen fixed vents and internal air channels keep you cool and your lenses fog-free.

The three-position visor accommodates both sunglasses and goggles, perfect for any lighting condition. The sweat-activated odor control lining provides superior comfort all day long.

The Smith Payroll MIPS E-Bike/MTB Helmet, combines advanced technology and comfort. It meets U.S. CPSC, CE EN 1078, NTA8776 E-Bike, and AS/NZS 2063 safety standards.

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Smith Triad Cycling Helmet

XL Size: 61 – 65 cm (24 – 25.5 inches)

The mix of Zonal Koroyd and MIPS makes the Smith Triad Cycling Helmet your go-to for safety and comfort on the road. Whether you cycle for fitness or recreation, you can focus on your ride stress free.

Achieve a perfect fit with the VaporFit system, which lets you adjust the fit on the fly with a simple turn of a dial. Integrated with the MIPS layer, this system ensures a snug, all-day comfortable fit.

No matter how hard you ride, the 19 vents and internal air channels will maximize airflow thru the helmet. Your glasses will also enjoy the airflow staying fog-free to keep you safer on the road.

The lightweight in-mold construction, Koroyd, and an integrated skeletal structure provide superior protection. The helmet includes integrated sunglasses storage for your convenience. There’s also the Y-strap divider to keep the chin strap flat and untwisted.

This helmet complies with U.S. CPSC, CE EN 1078, and AS/NZS 2063 safety standards.

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Giro Cormick MIPS Bike Helmet

XL Size: 58 – 65 cm (22.8 – 25.5 inches)

Looking for a budget helmet? Meet the Giro Cormick MIPS Bike Helmet. Perfect for riding on side streets or busy boulevards. This helmet offers a comfy fit with lots of coverage and great ventilation, making it ideal for everyday use.

The Giro Cormick MIPS helmet is built with a lightweight yet durable In-Mold polycarbonate shell and EPS liner. The Full Hardbody shell adds extra strength, and the quick-dry padding keeps you comfortable on every ride.

With the Roc Loc Sport MIPS fit system, you can easily adjust the fit with a simple turn of a dial, ensuring a secure and comfortable ride every time.

Integrated MIPS technology provides enhanced protection by redirecting energy during certain impacts. The ratchet buckle ensures a secure and adjustable fit.

Certified by CPSC and EN 1078, the Giro Cormick MIPS Bike Helmet offers top-tier safety and performance. Ride with confidence and comfort with the Giro Cormick MIPS Bike Helmet, designed for all your urban adventures.

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Bicycle Helmets Up To 64 cm (25.25 inches)

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Lazer Tonic KinetiCore Bike Helmet

XL Size: 61 – 64 cm (24 – 25.2 inches)

A sleek, lightweight helmet, the Lazer Tonic KinetiCore Bike Helmet, doesn’t compromise on safety or break the bank. It’s perfect for both long rides or recreational jaunts.

The Lazer Tonic helmet features built-in KinetiCore technology, which provides protection from rotational impacts during crashes. With a Virginia Tech 4-star protection rating, this helmet ensures you stay safe on every ride.

The advanced TurnSys dial fit system allows you to achieve a custom fit in seconds, ensuring comfort throughout your ride. It’s also compatible with the Universal Lazer LED light, which can increase your visibility in all light and weather conditions.

Designed with convenience in mind, the Lazer Tonic helmet includes convenient slots to keep your sunglasses safe when not needed.

Certified by CPSC and EN 1078, you will ride safely with the LAZER Tonic KinetiCore Bike Helmet, combining advanced technology, comfort, and affordability.

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Lazer Coyote KinetiCore Bike Helmet

XL Size: 61 – 64 cm (24 – 25.2 inches)

Next up with a Virginia Tech 5 Star rating is the Lazer Coyote KinetiCore Bike Helmet. You will stay cool, calm and collected with this helmet’s superior protection. Not to forget the comfortable fit.

The Coyote KinetiCore features a lightweight, vented design focused on singletrack performance. Awarded “Best Available” by Virginia Tech’s independent helmet testing organization. This ensures top-notch safety for every ride.

The TurnSys adjustable fit system provides a comfortable, stable fit. While the magnetic buckle allows for easy one-handed operation, even with gloves on.

The LAZER Coyote’s adjustable visor helps keep you focused. It blocks the sun, rain, and low-hanging branches without blocking your field of view. Wide-open ventilation keeps you cool, no matter how rowdy the trail or how many miles you have left.

Certified by CPSC and EN 1078 this helmet offers the highest level of protection. The LAZER Coyote KinetiCore Bike Helmet combines advanced safety, comfort, and trail-focused features.

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Lazer Strada KinetiCore Cycling Helmet

XL Size: 61 – 64 cm (24 – 25.2 inches)

The Lazer Strada KinetiCore Bike Helmet features cutting-edge technology. Protecting you from both direct and rotational impacts is Lazer’s KinetiCore. This next-level safety works like a crumple zone drawing impact energy away from the head.

The ScrollSys fit allows for on-the-go adjustments, ensuring a tailored fit every time. Lazer’s Venturi ventilation channels ensure you stay cool when you need it most. The Venturi channels allow for cool incoming airflow while expelling hot air.

The helmet includes a vent docking system to keep your eyewear secure and out of your line of vision when not in use.

Certified by CPSC and EN 1078. The LAZER Strada KinetiCore Bike Helmet also boasts a Virginia Tech 5 Star rating.

The LAZER Strada KinetiCore Bike Helmet, combining advanced technology, comfort, and safety. Your perfect companion for every ride.

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If you didn’t see anything to your liking here, you might like to pop over to our page for Extra-Large Mountain Bike Helmets (up to 66cm) for a look.
Mountain bike helmets have exactly the same CPSC certification as regular bicycle helmets, plus they have a nice little visor to keep the sun out of your eyes.
Definitely worth a look!

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Frequently Asked Questions

Q. What is the largest size bike helmet?

A. Currently, the largest size bike helmet that we can find has a head circumference of 66cm (26 inches). In the recent past, there have been 67cm and 68cm bike helmets available, however, helmet manufacturers would much prefer to sell thousands of smaller-sized helmets to consumers with regular-sized heads than a few hundred bike helmets to a small percentage of people with oversized heads.

When searching online for larger-sized helmets, you may find websites that claim to have helmets to fit a 68cm head. However, upon delivery of the helmet, you will most likely find that it is far smaller than the size advertised.

Smith Optics make bicycle helmets up to 65cm, yet they make extra-large Ski helmets up to 67cm. Then there are motorcycle helmets available up to 70cm (HJC has 5X-Large helmets up to 70cm, and Vega had 6X-Large motorcycle helmets up to 72cm).

Q. How big is an XL bike helmet?

A. Helmet manufacturers are not compelled to follow a standard sizing protocol, so as a result, the XL bike helmets from one manufacturer may be 66cm (26 inches), while an XL bike helmet from another manufacturer may be only 64cm (25.2 inches). The XL bike helmet size from other manufacturers may be completely different again.

Q. Should a bike helmet move on your head?

A. Most Definitely Not! If your bike helmet can move when you shake your head, imagine how much it could move if you are involved in an accident and your helmet and head hit the ground. A bike helmet that can move about will offer little to no protection for your head.

Your bike helmet should be snug and comfortable. If your bike helmet can move around or up and down when you shake your head around, then it is too loose. If your bike helmet gives you a headache or leaves red pressure marks on your head, then it is too tight. Please read How Should A Bike Helmet Fit for more details on proper bike helmet fitting.

I hope we have covered the subject of ‘bike helmets for big heads’ to your satisfaction. If you enjoyed this article, feel free to leave a comment or question below. Thanks!