How To Make Motorcycle Helmet Bigger: Don’t Sacrifice Your Safety

Is your motorcycle helmet too tight? Can you enlarge a motorcycle helmet size? The short answer is: It’s generally NOT recommended to significantly alter a motorcycle helmet’s size. Modifying the helmet’s structure can seriously compromise its safety. However, some adjustments can be made to improve the fit, but these should be approached with caution and a deep understanding of helmet safety standards. This article will guide you through safe and effective methods for motorcycle helmet fit adjustment, motorcycle helmet comfort improvements, and explore helmet sizing solutions for riders, while emphasizing the vital importance of maintaining your helmet’s protective integrity.

Image Source: totalhelmet.com

Why a Proper Motorcycle Helmet Fit Matters

A motorcycle helmet is the single most important piece of safety gear you can wear. Its primary function is to protect your head in the event of an accident. A helmet that is too loose, too tight, or incorrectly positioned can significantly reduce its effectiveness.

• Impact Absorption: Helmets are designed to absorb impact energy by crushing the EPS (Expanded Polystyrene) liner. A proper fit ensures the energy is distributed correctly.
• Retention: A loose helmet can come off during a crash, leaving you completely unprotected.
• Vision: An ill-fitting helmet can move around, obstructing your vision and increasing the risk of an accident.
• Comfort: A comfortable helmet makes for a safer ride because you are less distracted. Motorcycle helmet comfort improvements should never compromise safety.

Assessing Your Current Helmet Fit

Before attempting any modifications, accurately assess your current helmet fit. Here’s how:

1. Measurement: Use a soft measuring tape to measure the circumference of your head, about one inch above your eyebrows and ears.
2. Size Chart: Consult the manufacturer’s size chart for your specific helmet model. Sizes vary between brands.

3. The Fit Test:

   • Put it on: The helmet should feel snug but not painfully tight.
   • Check for pressure points: Pay attention to your forehead, temples, and the back of your head.
   • The “Roll-Off” Test: With the chin strap fastened, try to roll the helmet off your head by pushing upwards from the back. If it comes off easily, it’s too big.
   • The “Movement” Test: While wearing the helmet and having the strap fastened, grab the helmet with both hands and try to move it from side to side. If your head rotates inside the helmet, it’s too big.
     4. Wear it for a while: Wear the helmet for 20-30 minutes indoors. This will help you identify any pressure points that may not be immediately apparent.
     

Safe Methods for Motorcycle Helmet Fit Adjustment

If your helmet is slightly too tight, there are a few things you can try to achieve a better motorcycle helmet fit adjustment. However, if the helmet is significantly too small, these methods won’t work and you’ll need to buy a new one that fits correctly. Never compromise safety for the sake of saving money.

1. Check the Liner

Ensure the liner is properly seated inside the helmet. Sometimes, liners can become dislodged during shipping or handling. Re-seating the liner may alleviate minor tightness.

2. Compression of Cheek Pads

What is it? Cheek pads are often the first area to feel too tight. They compress over time, making the helmet feel looser.

Can I do it? Yes, you can manually compress the cheek pads slightly.

How? Gently massage and squeeze the cheek pads with your hands. You can also try wearing the helmet for extended periods to allow the pads to naturally compress. Many manufacturers also offer thinner cheek pads as replacements. Helmet liner replacement for size is a common practice.

3. Thinning the Comfort Liner (With Extreme Caution)

Can I do it? Yes, sparingly and only if you understand the risks. This is the riskiest of the suggested modifications and should be done with utmost caution, if at all. Only consider if the helmet is just slightly too tight, and you’ve exhausted other options.

How?

• Identify the Pressure Point: Pinpoint the exact spot where the helmet feels too tight.
• Remove the Liner: Carefully remove the comfort liner from the helmet. It’s usually held in place with snaps or Velcro.
• Shave Down the EPS Liner (If Possible): This is where it gets dangerous. Some helmets have a thin layer of comfort padding glued directly to the EPS liner. If yours does, DO NOT attempt to remove any EPS. If the comfort padding is not directly attached, then you can very gently shave down the EPS liner with fine-grit sandpaper in the precise area where you are feeling the pressure. Remove extremely small amounts at a time.
• Reinstall the Liner: Reinstall the comfort liner and try the helmet on.
• Repeat: Repeat the process until you achieve a comfortable fit.

Important Considerations:

• EPS Integrity: Removing too much EPS can severely compromise the helmet’s impact absorption capabilities.
• Professional Help: If you’re uncomfortable with this process, consult a professional helmet technician. They may have specialized tools and knowledge to safely modify the helmet.
• Warranty Void: Modifying your helmet may void its warranty.

4. Helmet Liner Replacement for Size

What is it? Replacing the existing liner with a thinner one to create more space.

Can I do it? Yes, if thinner liners are available for your helmet model.

How?

• Contact the Manufacturer: Check if the manufacturer offers thinner liners for your specific helmet model.
• Purchase the Thinner Liner: Order the appropriate size liner from the manufacturer or an authorized dealer.
• Install the New Liner: Remove the old liner and install the new one. Ensure it’s securely attached and properly seated.

5. Motorcycle Helmet Pressure Relief with Proper Straps

Proper adjustment of the chinstrap and other straps can significantly contribute to motorcycle helmet pressure relief. Too tight or loose straps can cause discomfort and affect the stability of the helmet.

How to adjust straps:

• Chin Strap: The chin strap should be snug against your chin but not so tight that it restricts breathing or causes discomfort. There should be no more than one finger’s width between the strap and your chin.
• Side Straps: Adjust the side straps so that the helmet sits level on your head and doesn’t rock back and forth. The straps should form a “V” shape just below your ears.

6. Break-In Period

What is it? Allowing the helmet to naturally mold to the shape of your head over time.

Can I do it? Yes, this is a passive method that requires patience.

How? Simply wear the helmet for extended periods, both on and off the motorcycle. The padding will gradually compress and conform to your head shape. This method works best for helmets that are only slightly too tight.

Unsafe Methods to Avoid

Some methods for enlarging a motorcycle helmet size are dangerous and should never be attempted. These include:

• Heating the Shell: Applying heat to the helmet shell to stretch it is extremely dangerous. Heat can weaken the shell and compromise its integrity.
• Using Force: Forcing the helmet onto your head can damage the liner and shell, making it less effective in a crash.
• Removing EPS Liner: Removing any amount of the EPS liner significantly reduces the helmet’s ability to absorb impact energy. This is the primary safety component of the helmet.
• Drilling Holes: Drilling holes in the helmet shell weakens its structure and can make it shatter upon impact.
• Using Solvents or Chemicals: Avoid using any solvents or chemicals to try and stretch the helmet. These can degrade the materials and make the helmet unsafe.

Motorcycle Helmet Fit Adjustment for Different Head Shapes

Not all heads are created equal. Some people have round heads, while others have oval heads. Choosing a helmet that matches your head shape is crucial for a comfortable and safe fit.

• Round Oval: Helmets designed for round oval heads are wider and shorter.
• Intermediate Oval: These helmets are slightly longer than they are wide, catering to the most common head shape.
• Long Oval: Helmets for long oval heads are significantly longer than they are wide.

If you have a round head and are wearing a helmet designed for an oval head, you may experience pressure points on your forehead and temples. Conversely, if you have an oval head and are wearing a round helmet, the helmet may feel loose on the sides.

Knowing When to Replace Your Helmet

Even if you’ve successfully adjusted your helmet, it’s important to know when it’s time for a replacement.

• After a Crash: Any helmet that has been involved in a crash should be replaced, even if there is no visible damage. The EPS liner may have been compressed, reducing its ability to absorb impact energy in a future crash.
• Five-Year Rule: Most helmet manufacturers recommend replacing your helmet every five years, regardless of its condition. Over time, the materials in the helmet can degrade due to UV exposure, sweat, and other environmental factors.
• Loose Fit: If your helmet becomes too loose, even after adjustments, it’s time for a replacement. A loose helmet won’t provide adequate protection in a crash.
• Damaged Components: If any of the helmet’s components, such as the chin strap, visor, or liner, are damaged or worn, it’s time for a replacement.

Alternatives if you can’t make a helmet fit

If you’ve tried all the safe methods for helmet modification and still can’t achieve a proper fit, it’s time to explore alternatives:

• Try Different Brands: Different brands have different shapes.
• Try Different Models within a Brand: Even within the same brand, models can vary slightly.
• Professional Fitting: Consult a professional helmet fitter.
• Custom Helmet: A very expensive option, but offers a perfectly fitted helmet.

The Importance of Buying the Right Size Initially

The best way to avoid the need for helmet modification is to buy the right size in the first place.

• Shop in Person: Visit a reputable motorcycle gear retailer and try on different helmets.
• Take Your Time: Don’t rush the process. Wear each helmet for several minutes to get a feel for the fit.
• Get Expert Advice: Ask a knowledgeable salesperson for assistance.

Conclusion: Prioritize Safety Above All Else

While some minor adjustments can be made to improve motorcycle helmet fit adjustment and motorcycle helmet comfort improvements, it’s crucial to prioritize safety above all else. Avoid any modifications that could compromise the helmet’s structural integrity. If you’re unsure about any modification, consult a professional or simply buy a new helmet that fits correctly. Remember, your head is your most valuable asset. Protect it with a properly fitted and well-maintained motorcycle helmet.

Frequently Asked Questions (FAQ)

Q: What is the best way to determine my motorcycle helmet size?
A: Use a soft measuring tape to measure the circumference of your head about an inch above your eyebrows and ears. Consult the manufacturer’s size chart for the specific helmet model you’re interested in.

Q: Can I stretch motorcycle helmet padding?
A: Yes, you can try to manually compress the cheek pads or wear the helmet for extended periods to allow the padding to naturally compress. However, do not use excessive force or heat, as this can damage the padding.

Q: Who is qualified to make professional motorcycle helmet modifications?
A: A professional helmet technician with specialized tools and knowledge can make certain modifications safely. Contact the helmet manufacturer or a reputable motorcycle gear retailer for recommendations.

Q: What happens if my motorcycle helmet is too loose?
A: A loose helmet can come off during a crash, leaving you unprotected. It can also move around and obstruct your vision. If your helmet is too loose, even after adjustments, it’s time for a replacement.

Q: Can I use a car helmet for my motorcycle?
A: No, car helmets and motorcycle helmets are designed for different types of impacts and offer different levels of protection. Use a helmet specifically designed for motorcycle riding.

Q: What is the lifespan of a motorcycle helmet?
A: Most helmet manufacturers recommend replacing your helmet every five years, regardless of its condition. The materials in the helmet can degrade over time due to UV exposure, sweat, and other environmental factors.

Q: Are there any motorcycle helmet sizing solutions for riders with glasses?
A: Yes, some helmets are specifically designed with grooves or channels to accommodate eyeglasses. Look for helmets that are advertised as being “glasses-friendly.”

Q: Can I expand motorcycle helmet interior by removing the EPS liner?
A: Absolutely not. Removing the EPS liner significantly reduces the helmet’s ability to absorb impact energy and makes it unsafe to use.