How Should A Bike Helmet Fit?


Simply wearing a bicycle helmet does not guarantee safety and protection on the road. It needs to fit correctly and be adjusted to hug your head comfortably each time you ride. In this article, let’s take a look at how a bike helmet should fit, as well as how to make your bike helmet fit better.

Woman on bicycle adjusting helmet straps
Copyright: Image by StockUnlimited

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Your bicycle helmet is the most essential piece of safety gear that you can wear whenever you go for a ride. Based on statistics from the National Safety Council (NSC), a total of 1,089 fatalities due to biking-related accidents were recorded in 2019. This number is 6% higher than bicycle-related, preventable deaths that occurred in 2018. Don’t become a statistic, wear a helmet.

JUMP TO :
How Should a Bicycle Helmet Fit?
How to Make Your Bike Helmet Fit
++Measure your head size
++Try on different bicycle helmets
++Keep the helmet position in check
++Adjust the sweat pads or fitting ring
++Secure the side straps
++Tighten the buckle or chin strap
Bike Helmet Fit Test
Why is it Important to Wear a Bike Helmet?

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How Should a Bicycle Helmet Fit?

Bicycle helmets come in different styles, shapes, and sizes. To ensure that your bike helmet provides the maximum head protection you need, it should fit your head snugly and comfortably.

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It’s not just a case of wearing a bike helmetso therefore I’m protected‘, but most importantly, wearing the right-sized helmet which has been properly adjusted to fit your head. Too big and it can wobble around or even fall off just when you needed it the most. Too small and it will give you a headache which will make you not want to wear it.

How to Make Your Bike Helmet Fit

Bike helmet sizes typically range from extra small to extra-large, and some models are one-size-fits-all, but most have an adjustable fit system. Bike helmet manufacturers often indicate the helmet size based on head circumference, either in inches or centimeters, and occasionally by hat size.

The following steps can help you make helmet adjustments and ensure the proper bike helmet fit:

Measure your head size.

To get the correct measurement, use a measuring tape and wrap it around your head. The tape should sit half of an inch above your eyebrows. You’ll want your bike helmet to fit securely but comfortably, so don’t wrap the measuring tape too tightly. See ‘How To Know Your Helmet Size‘.

Image Amazon.com EBOOT 60 Inch 150 cm Soft Tailor Tape Measure

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Try on different bicycle helmets.

Note that bicycle helmets come in different types and styles. Some helmets are suitable for commuting and fitness riding, while there are models that are meant for mountain biking and road racing.

Sample different brands too until you find one that feels like the perfect fit. It should be a helmet that you like wearing and that’s meant for the type of riding you plan to do. The closer to the right fit you begin with will make achieving the perfect fit so much easier.

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Keep the helmet position in check.

When wearing the bike helmet, make sure that it sits flat on your head and doesn’t slip or wobble. Keep the helmet low on your forehead. Ideally, the front rim of the helmet must be an inch or two fingers width above your eyebrows. This position safeguards your forehead upon impact.

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Adjust the sweat pads or fitting ring.

Most helmet models have removable pads inside the helmet. In fact, many manufacturers provide spare pads for the purpose of personalizing the helmet fit.

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Aoutacc Universal Airsoft Helmet Pads, Helmet Replacement Foam Padding Kits Set Accessories Mats for Fast/Mich/ACH/USMC/PASGT Helmet (EVA Foam, Black)
Image Amazon.com

If the helmet is too loose, it means that it is either too large for your head or you need to add more padding. But if the helmet fits uncomfortably tight, you can remove the pads or use thinner ones. Doing this may reduce ventilation slightly, but it is hardly noticeable.

Other bike helmets, like the one-size-fits-all models, are equipped with a fitting ring with an adjustable dial at the back of the helmet instead of (or as well as) removable sweat pads. If the helmet you choose has a dial-fit ring, you need to adjust it tightly, but not uncomfortably tight, so it remains stable on your head.

Secure the side straps.

The straps should lay flat against the side of your face and form a “Y” shape below your ears. Pay attention as well to the clasps or sliders. Adjust them in the proper position so they won’t be too high or too low. Lock the slider, if possible, so it won’t loosen or slip when you move your head.

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Tighten the buckle or chin strap.

You’ll know that the chin strap is tight enough if not more than one finger fits between the strap and the underside of your chin. Most bike helmets have straps that you can pull from the rear of the helmet so you can tighten or loosen it.

Woman cyclist tightening chin strap on helmet
Copyright: Image by StockUnlimited

Bike Helmet Fit Test

So, how can you know if your bike helmet fits properly? These tips will tell you if your helmet is securely strapped on your head.

  1. Open your mouth wide, like when you’re having a big yawn. Your helmet should pull down and the inner shell should press against the top of your head.
  2. If you look up, you should see the rim of the helmet or the tip of the helmet visor. Otherwise, you need to make a few re-adjustments on the side and chin straps.
  3. Lean your head forward. If your helmet slides down, you need to shorten the rear straps. If you tilt your head backward and your helmet slides towards your nape and exposes your forehead, you need to tighten the front straps.
  4. Shake your head sideways and from the front to back. If your helmet moves, you may need to adjust the universal fit ring or add more sizing pads.

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Why is it Important to Wear a Bike Helmet?

The answer is pretty simple. Whether you’re a beginner or you’ve been riding a bike for a long time, a bicycle helmet serves as a lifesaver in the event of an unexpected fall or crash. Wearing a bicycle helmet protects your head from impact, preventing serious head injury or brain trauma.

And now you’re done!

Always remember that when it comes to road safety, wearing a bike helmet is only part of the equation. You also need to obey traffic rules and respect other riders, drivers, and pedestrians you encounter on the road.

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