Best Bike Helmets For Large Heads – XL to XXL Bicycle Helmets

If you have a larger head than the average joe and struggle to find an XL or XXL bicycle helmet for large heads, then you'll find the solution to your struggles in this article.


Having a big head is a common issue faced by lots of cyclists. And to be candid, quite a few of our team members have large heads that just won't fit in a standard helmet. But after a considerable amount of testing, we found the top choices in bike helmets for big heads.

But before we start, did you know these facts about wearing the wrong sized helmet for your head?

  • Friction between the skin and the helmet causes skin rashes and infections, including dermatitis.
  • A tight helmet causes shortness of breath.
  • It interferes with your peripheral vision, thereby compromising your safety.
  • A tight helmet causes Traction alopecia, which is the medical term for gradual hair loss.

So, ready to avoid all these headaches, literally, and find out the best bicycle helmets for large heads?

Let's begin!

Best Bike Helmets For Large Head:

  1. Giro Chronicle Large MIPS XL(61-65cm)
  2. Smith Optics Signal - XL Bicycle Helmets
  3. Giro Radix MIPS For Big Heads (61-65 cm)
  4. Giro Register MIPS (58-65 cm)
  5. KINGBIKE Ultralight Large Bike Helmets (61-63 cm)
  6. Bell Sixer MIPS XXL Helmet (61-65 cm)
  7. Trespass Crankster (61-65 cm)

Giro Chronicle MIPS Adult Dirt Cycling Helmet – Best Fit Helmet

Giro Chronicle XXL Helmet

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The Chronicle from Giro offers a fantastic fit. This isn't a total surprise as Giro is one of the premier companies in outdoor gear. So what else does this helmet have to offer?

In terms of construction, the Chronicle comes with a MIPS system. So the helmet is fantastic at absorbing shock in case of an impact. Besides, this helmet takes the trophy for being true to fit with its Roc Loc 5 fit system and an easily adjustable vertical position.

The Chronicle is compatible with a visor as well as goggles. And it comes with 14 vents, which keeps your noggin cool at all times. The selection of six colors is a nice addition too!

Smith Optics Signal MIPS – Most Comfortable Choice

smith optics helmet for big head

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If you'd like a fashionable bike helmet that also fits like a dream, the Signal helmet is a great choice. There are multiple sizes available from Small to XXL, so you'll easily be able to find a size for your head.

It comes with EPS foam, in-mold shell material that takes care of shocks. The brand's proprietary VaporFit is responsible for this helmet being so comfortable. The 21 air vents keep the airflow optimum.

You will love that this helmet comes with multiple certifications. In addition, you get to choose the Signal from six color options.

Giro Radix MIPS Helmet – Most Ventilated XL Bicycle Helmet

giro radix

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Do you enjoy cycling but can't stand all the sweating? Look no further than the Radix xxl bike helmet from Giro.

With 25 air vents, a helmet doesn't get any cooler than this. In addition, the antimicrobial padding is a neat addition. In terms of materials, the Radix has a MIPS system with an EPS liner and polycarbonate shell. These combinations make this helmet a champ in shock absorption and durability.

You will love the POV visor that comes with 15 degrees of adjustment. And yes, the fit of the Radix is also exceptional for people with larger heads.

Giro Register MIPS Large Cycling Helmet – For the Rugged Rider

giro register helmet for large head

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The Giro Register xxl bike helmet is an excellent choice for all the rugged riders out there who love uncompromising looks from their cycling gear.

It comes with in-mold construction and a MIPS system for total protection. On the other hand, the 22 vents keep your head cool at all times. The different color choices also offer more options, so you'll be able to find one that suits your style.

You will love the Roc Loc Sport fit system in this helmet as it is responsible for a snug and comfortable fit. Overall, you won't go wrong if you decide to get this helmet as its a very good helmet for people with larger heads. 

KINGBIKE Ultralight Bike helmets for big heads – Fancy on A Budget

Kingbike large bicycle helmet

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Want a fancy but large bike helmet on a budget? The Ultralight bike helmet  from Kingbike checks all the boxes! 

This xxl bicycle helmet comes with an in-mold polycarbonate shell and EPS liner for reliability and longevity. Enjoy cool rides with the 24 vents and get a customized fit with the adjustable straps.

You will love the detachable visor, the rear lights, and the carrying bag that comes along with this bike helmet. Moreover, the selection of colors of this Kingbike helmet is among the best. This Ultralight helmet comes at an unbeatable price to top it all, which is just the icing on the cake.

Bell Sixer MIPS Adult MTB Bike Helmet – Best Premium Option

Bell Sixer XXL MTB helmet

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This XL adult MTB bike helmet for big heads is for those who want something more than a basic accessory. This helmet hits a fine balance between good and aggressive in terms of appearance too.

The Bell Sixer bike helmet uses a hard polycarbonate shell and a MIPS system that offer superior durability to withstand impacts. It also has special internal padding, and sweat guider inside that will keep the sweat away from your eyes. Moreover, the sweat pads will also repel odor and deter bacteria in the helmet. If you're wondering about the fit, don't, as this helmet is true to size and very comfortable for large head riders.

You will also greatly appreciate the adjustable visor, the 26 air vents, and camera mounts in this helmet. This helmet is on the pricier side, no doubt, but the impressive quality and features make it a great bargain.

Trespass Crankster Lightweight Bike Helmet – Most Lightweight Option

trespass crankster review

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For cyclists who do not like to be weighed down by an XXL bicycle helmet, here's a choice for you. The Crankster is among the most lightweight helmets for large heads without compromising its performance. Furthermore, it comes from one of the UK's most reputed companies in outdoor gear.

This bike helmet has a PVC exterior with EPS foam padding, which keeps it lightweight and sturdy. In addition, the adjustable straps work in combination to buckle fastening to give it a great fit. Moreover, the detachable visor and the all-round ventilation add convenience and breathability, respectively. As expected, this helmet meets the highest standards in safety.

Another great feature about the Crankster extra-large bike helmet is its versatility. It is a unisex design, so it fits male riders as seamlessly as it does females. The color choices on this lightweight xxl bicycle helmet are not as diverse as they could be, however, the selections are good enough so most people should find a style that suits them.

FAQ about the best bicycle helmets for large heads

Cyclists looking for gold nuggets of information should not miss out on the FAQ section on xxl bicycle helmet.

Is there a performance difference between cheap and expensive helmets?

According to one study's findings, the differences in performance between cheap and expensive helmets for big heads are negligible. So is the difference between normal helmets and the best collapsible bike helmets.

A significant reason behind this surprising find has a lot with the legality aspect. In the United States and many other countries, cycling helmets must meet safety standards. So it is illegal for a helmet to hit the mainstream consumer without meeting the safety standard.

The bottom line is the correct fit of the helmet where performance and safety are concerned.

How do I measure the size of my head to get the right helmet?

As easy as it sounds, getting the right size for your helmet can be a bit tricky. If you can get someone to help you out with the measurement, it is the best way to go.

Using a regular measuring tape, wrap it around your head above the eyebrows. The tape should lie flat on your forehead without pinching anywhere. Read and write down the measurement off the tape.

For the best results, take a couple of measurements. Consider the largest measurement as the ideal one.


Some people naturally have a larger head circumference. On the other hand, for some people, it can be due to medical reasons. Nevertheless, being the proud owner of an XXL bicycle helmet should not stop you from enjoying cycling.

Fortunately, bike helmet manufacturers spoil us for choice. So the best bicycle helmets for large heads we've shared should give you a head start, literally.