Best Mountain Bike (MTB) Helmets Under $100 – Reviews & Buyer Guide

best mountain bike helmets under 100According to a survey, 50-90% of mountain bikers were reported with acute injuries during the riding season. And 22.9% of those injuries were concern with head injuries.

So, a helmet is the most important piece of equipment that every rider must wear before riding. There are many different varieties of helmets available in the market. Now, the only difficulty is to choose the right helmet that perfectly matches your needs. But don’t worry; this article makes it easy to choose the best mountain bike helmets under $100.

If you are a first time buyer then before purchasing you need to read the buying guide in the last of this article.

Best mountain bike helmets under $100 –  Comparison Table

MTB HelmetFeaturesPrice
Bell Sanction
  • Range of Sizes
  • Snug-fitting
  • CPSC certification
GROTTICO
  • Certified helmet
  • Excellent ventilation
  • Detachable visor
  • Extra Accessories
VICTGOAL with Led
  • Magnetic goggles
  • Aerodynamic design
  • Storage Bag
  • LED light
Smith Optics Convoy
  • Vapor fit adjustment
  • High comfortable level
  • Built-in visor
DEMON UNITED Podium
  • Great airflow
  • MIPS technology
  • Lightweight
Giro Fixture
  • Tough Outer Shell
  • Ultra-Lightweight
  • Detachable visor
Giro Vasona
  • One-handed adjustment
  • Roc Loc system
  • Excellent Ventilation
XINERTER with mask
  • Magnetic goggles
  • Certified protection
  • Easy adjustment

Best Mtb helmets under $100 – Reviews

After doing research over several models and taking customer reviews, I was able to shortlist the following best mountain bike helmets under $100. All of these helmets have won customer confidence. So, without any confusion, you can buy a helmet according to your requirements.

1. Bell Sanction Adult Full Face Mountain Bike Helmet

Bell Sanction Adult Full Face Bike Helmet

Specifications
  • Helmet style: full-face bike helmet
  • Available color: full black, orange-black, red-gray, silver-blue, gray
  • Available size: X-small, small, medium, and large
  • Weight: 1.87 pound
  • Shell Material: ABS
  • Visor type: adjustable
  • Ventilation: 15 vent opening
  • EPS inner foam lining.
  • CPSC& CE EN1078 certified
Prominent Features

If you are a BMX rider and looking for the best mountain bike helmet under $100 then this helmet is suitable for you. Moreover, this EN 1078 entitled helmet is also suitable for skateboarding and roller skates.

 Suitable for Child 

This helmet is design for adults but its small size also fits perfectly to a child of age less than 5 years. Before purchasing measure your child’s head circumference above the ears. Then consult the guide for a good size match. This helmet has accurate sizing info in the description after you click on each size.

 Snug-fitting 

It’s a BMX helmet. So, there is a decent amount of thick but lightweight foam padding on the cheeks and back of the helmet to maintain appropriate fitting. If you feel uncomfortable then the helmet size is probably too small but if you feel it bulky then the size is probably too big. It’s a bit tight helmet but there are small gaps in the foam cushion to allow air to circulate, so you should be fine with long hair.

 Satisfied Protection level 

Its protection level is fantastic due to ABS shell material is. ABS is much cheaper as well as harder. This helmet meets all the CPSC certification safety standards. The helmet did the job by protecting many user heads from injury. Customers are satisfied with this great product and recommend it for all aggressive adult riders.

 Good ventilation and Comfort 

Full face helmet protects the entire head, chin, and face. With increase protection, you have to compromise on ventilation. But this helmet comes with 15 vent openings to increase cool air circulation around your neck, jaws, and head. Moreover, lightweight with inner foam padding make this helmet fit properly. All these features increase the comfort level of BMX riders.

You can also wear goggles with it without any problem.

Pros
  • Affordable full-face helmet.
  • Available in different size options.
  • Also suitable for skateboarding and roller skates.
  • Lightweight.
  • Good quality material.
  • Good looking & stylish.
  • Excellent for kids.
Cons
  • Tight for chubby cheeks face.

2. GROTTICO Men-Women MTB Helmet with Light

best mtb helmet under 100

Specifications
  • Helmet Style: XC or half shell bike helmet
  • Available color: black, gray, and purple
  • Available size: medium and large
  • Weight: 0.66 pound
  • Shell Material: Polycarbonate shell
  • Visor Type: detachable
  • Ventilation: 23 vent openings
  • Inner foam lining to absorb impact
  • CPSC & CE Certified
  • Rechargeable LED backlight
Prominent Features

GROTTICO brand is designing sports protective equipment with a commitment to providing safety and comfort to the user. The quality, durability, low price, LED light and awesome looks of this brand’s helmet make this best Mtb helmet under $100.

 Best budget helmet 

It is a great helmet at this price. If you are searching best helmet for less aggressive cross country riding then this helmet is a great choice for under 50$.

 Certified helmet 

This helmet meets all safety cycling standards of the US and EU. Helmets which follow these standards can provide protection against skull fracture and brain injuries in an accident.

 Excellent ventilation 

There are 23 vent openings that keep your head cool. These vent sizes and shapes are designed to maximize heat exchange in the skull section of the head form. So, in hot weather, you don’t need to remove this helmet because of thermal discomfort.

 Comfortable fit 

This lightweight helmet sits comfortably on your head. There is no pressure point because helmet weight is evenly distributed around the head. You can also adjust the size within a given size range by using the little wheel button on the back. This properly fit helmet causes the skin to move as the helmet move. But some people have a problem with its chin strip.

 Impact-absorbing technology 

This helmet comes with an impact-absorbing inner foam lining. Polycarbonate outer shell gives puncture resistance and inside foam pads lining do not allow impact force to transfer to your head during an accident. So during fall or collision, much of the impact energy is absorbed by the helmet rather than your brain.

 Detachable visor 

You can easily remove or reattach its visor at any time. You can ride without the visor in a good riding environment. Moreover, you can also attach other forms of visor after detaching it.

 Accessories 

Accessories are given as incentives with this GROTTICO helmet that make a difference between a premium and standard product. You do not only get a helmet but also other following accessories as a bonus.

  • 2 inner padding
  • 2 visor of different color
  • 1 packing bag
  • 1 user guide

Unique feature

This helmet comes with a rechargeable LED light on the back. It not only looks awesome but also safe for night riding. You can also adjust 3 lighting modes like steady, flash, and wave.

Pros
  • Offers excellent ventilation
  • Worth the money
  • Lightweight
  • Comfortable
  • Come in 2 size numbers M&L
  • Highly adjustable fitting
  • Impact-absorbing foam lining
  • LED backlight
Cons
  • Its visor can’t protect your eyes from dirt.

3. VICTGOAL Bike Helmet for Men Women with Led Light

VICTGOAL MTB Helmets for Men Women with Led Light under 100

Specifications
  • Helmet style: open face helmet
  • Available color: black, red, white, metal blue, navy blue, silver, and yellow
  • Available size: adult size 22”-24”
  • Weight: 0.68 pound
  • Material: Polycarbonate shell
  • Visor Type: detachable sun visor and magnetic goggles
  • Ventilation: 21 vent openings
  • Inner Soft pad lining to absorb impact
  • CPSC& CE.EN1078 certified
  • LED backlight
Prominent Features

If you want a quality mountain bike helmet with accessories like a sun visor, windscreen, and integrated backlight then this is the best mountain bike helmet under $100.

 Magnetic goggles 

It magnetic goggles which act as a windscreen, protect your eyes from cold and hot air. If you are a fast rider then don’t go out without it because sand in air causes erosion in your eyes. Moreover, this magnetic goggle can also save your eyes from IR & UV radiation in sunlight.

You can also wear eye side glasses with the goggles on. It’s easy to put the helmet on first and then put the goggles on. It works very well.

 Protection safety 

Helmet EPS inner soft pads covered by a hard polycarbonate shell, can absorb high impact force and save your skull during a collision. It can protect your head in all directions. CPSC & EN1078 certification also proved that you can use this helmet for cycling, skateboarding, and roller skates with a protection grantee.

 Easily adjustable fitting 

This helmet fits almost every adult because of its easily adjustable fit system. You can make the air-tight adjustment between 22-24″ around your head by using a dial in the back. Its back knob helps to make quick adjustments with one hand during cycling.

 Aerodynamic design 

There are 21 vent openings which improve air circulation around your head to evaporate sweat. You can use it all through summer.

 Comfortable 

It is a very lightweight helmet you barely feel that you are wearing a helmet on your head. Its features like lightweight, aerodynamic shape, and easily adjustable fitting make this helmet very comfortable. It’s completely worth the money.

Unique feature

This helmet comes with a LED light on the back. It not only looks awesome but also safe for night riding. You can also adjust 3 lighting modes like a normal, slow flash, and quick flash. Its CR2032 battery is not rechargeable. You have to replace it.

Pros
  • Magnetic goggles with sun visor.
  • Lightweight.
  • LED backlight.
  • One-hand control adjustment.
  • Very affordable price.
  • Also suitable for skateboarding and roller skates.
  • Easy to clean.
  • Removable pads.
  • Soft storage bag for the visor.
  • Include helmet pouch bag.
Cons
  • Sun visor too large touch nose.

4. Smith Optics Convoy MIPS Adult MTB Cycling Helmet

best mounatin bike helmet under 100

Specifications
  • Helmet style: open face bike helmet
  • Available color: black, hornet, pool, sage, and white
  • Available size: small, medium, large and X-large
  • Weight: 0.71 pound
  • Shell Material: polycarbonate
  • Visor type: built-in
  • Ventilation: 20 vents
  • Impact absorb technology: MIPS
Prominent Features

Smith has become one of the most recognizable brands in the entire helmet industry. Smith creates helmets for people who are into extreme sports liking mountain biking and motocross races. If you concern about safety and comfort during aggressive uphill riding then this helmet will suit you best.

 Vapor fit adjustment 

This helmet comes with a vapor fit adjustment system. The vapor fit system depends on a rotary dial, which is integrated with tuned elastic fitting. Each vapor fit system has 5cm adjustability. Moreover, you can also move the helmet up & down or forward & backward relative to the attachment point. In simple words, you can make secure fitting according to your personal preference.

 Adjustable chin strap 

You can adjust the straps of this helmet in many directions. Its chin strap adjustment is easier than other helmets so the helmet doesn’t flop around.

 Ventilation system 

There are20 vent openings that keep your head cool by circulating fresh air. These vents opening are designed to maximize heat exchange with your head. So, in hot weather, there is no need to remove this helmet because of thermal discomfort.

 High comfortable level 

Great helmet for a great price. Its secure fitting with excellent ventilation makes it very comfortable to wear. It is comfortable as other expensive smith helmets.

 Offer excellent protection 

Helmet EPC inner covered by a hard polycarbonate shell, which can absorb high impact force and save your skull from any fracture. Moreover, its MIPS technology lets the helmet slide relative to the head and adds more protection against rotational force during an accident. This helmet also gives more protection to the back of your head.

 Built-in visor 

Its built-in visor is nicely placed to keep the sun out of your eyes. If you need eye protection from dirt or other contaminants then this helmet can also adopt airtight goggles.

Pros
  • Budget MTB helmet.
  • Lightweight.
  • Offer good ventilation.
  • Vapor fit adjustment system.
  • High level Comfortable.
  • Available in all sizes.
  • Worth the price.
  • Washable EPS inner liner.
  • Excellent protection.
Cons
  • No Accessories come with this helmet.

5. DEMON UNITED Podium Full Face Mountain Bike Helmet

DEMON UNITED Podium Full Face Mountain Bike Helmet

Specifications
  • Helmet style: full-face bike helmet
  • Available color: full black, white, black-red, black-orange, gray-blue, black-green
  • Available size: small, medium, large and X-large
  • Weight: 2 pound
  • Shell Material: polycarbonate
  • Visor type: built-in
  • Ventilation: 13 vent opening
  • EPS inner foam lining.
  • CPSC certified
Prominent Features

Demon United is creating hundreds of products and protective gear for all types of gravity sports since 1999. This demon united helmet is awesome for downhill mountain biking. Moreover, this helmet offers great impact protection because it is padded as a motorcycle helmet.

 Good visibility 

Full face helmet increases your protection but on the other hand, you have to compromise on excellent visibility and ventilation. But this full-face helmet offers good visibility. You can see easily other people, a bike tire, and everything around you. Moreover, there is plenty of room for glasses.

 Great airflow 

Full face helmet has a relatively less number of vent openings. But this helmet comes with 13 vent openings. These vent sizes and shapes are designed by experts to maximize airflow around your head and face. You can use it all through summer and can stay pretty cool.

 Very comfortable 

This helmet is bulky; it is one of the lightest full-face helmets. it is easy to put on/take off. Moreover, it offers good ventilation and visibility. All these features make it the most comfortable full face mountain bike helmet.

Sometimes jawline pads made this helmet a little tight because pads press a little on the jawline. But you can take them out to make this helmet comfortable.

 Design and graphic 

This is a great looking well-made helmet. There is no outside surface imperfection. This helmet comes in 9 different colors as well as the graphic design is quite eye-catching.

 Certified protection 

The most important purpose of every helmet is to give impact protection. Its tough polycarbonate shell makes the Podium full-face helmet safe. It meets the CPSC certification safety standards. It has protected many user heads from injury. Customers are satisfied with this great product.

 Built-in visor 

Its built-in visor is nicely placed to keep the sun out of your eyes. If you need eye protection from dirt or other contaminants then this helmet can also adopt airtight goggles.

Unique feature

This helmet also comes with impact-absorbing MIPS technology. MIPS technology lets the helmet slide relative to the head and adds more protection against the rotational force which causes brain injury. But helmets with MIPS technology cost some additional money.

Pros
  • Best for the price.
  • Lightweight.
  • Great ventilation.
  • Available in all sizes.
  • Goggles adoptable.
  • Comfortable.
  • Nice looking.
Cons
  • Some customer of round face shape has the fitting issue.

6. Giro Fixture Adult Recreational Cycling Helmet

Giro Fixture Adult Recreational Cycling Helmet

Specifications
  • Helmet Style: XC
  • Available color: matte black, matte lime, matte frost, matte gray
  • Available size: universal adult (21.25” – 24”)
  • Weight: ultra-lightweight
  • Shell Material: polycarbonate
  • Visor Type: detachable
  • Ventilation: 18 vent opening
  • Styrofoam inner
Prominent Features

GIRO has become the first choice of the rider because GIRO maintains a strong focus on creating products to enhance rider comfort. If you are searching for an ultra-weight cycling helmet with maximum comfort then this helmet is for you.

 Universal adult size 

It is a one-size helmet with a cinch dial in the back to tighten. This helmet does not have a size choice. It’s a unisex-adult helmet, which means it fits great for both women and men but probably not a child. It’s designed to fit a wide range of head sizes. 98% of the people find that this fits comfortably.

 In-mold construction 

Tough Polycarbonate outer shell material is fused in a mold that makes this helmet lighter and cooler than traditional helmets. Moreover, Styrofoam inner material is not only ultra-light in weight but also robust enough to minimize impact pressure.

There are pads to surround your head. These pads are all along the edge and between each vent but no inner liner. The pads are just stuck to the Styrofoam.

 Excellent ventilation  

This helmet is constructed in the mold after research in the Giro category-leading helmet test lab. Its 18 vent openings are engineered so perfectly. These openings maximize air circulation around your head.

 Lightweight and comfortable 

It is a very comfortable and lightweight helmet. You don’t even feel like you are wearing a helmet. Moreover, 18 vents opening improve air circulation around your head. All these features make this helmet very comfortable for cycling.

 Easily Adjustable fitting 

This helmet fits almost everyone because of its easily adjustable fit system. This helmet is equipped with the Roc Loc adjustment system so you can better tighten it to fit your head. Roc Loc fit system offers an easy one-hand operation. Its back knob helps to make a quick adjustment with one hand during cycling.

 Chinstrap 

This helmet comes with an adjustable chin strap but it is not shown in the picture. Chinstrap comes down along the sides of your ears and clips under the chin. Last but not least you can get replacement parts of this helmet through the manufacture.

Pros
  • Budget cycling helmet.
  • Ultra-Lightweight.
  • Great air circulation.
  • Roc Loc adjustment system.
  • Goggles adoptable.
  • Very comfortable.
  • Detachable visor.
  • Stylish with color options.
Cons
  • Not a MIPS helmet.

 Two versions of GIRO 

Giro makes the Fixture in both MIPS and non-MIPS version. Its MIPS version also comes in the category of best mountain bike helmets under $100.

7. Giro Vasona MIPS Women’s Recreational Cycling Helmet

Giro Vasona MIPS Womens Recreational Cycling Helmet

Specifications
  • Helmet style: open face helmet
  • Available color: matte glacier
  • Available size: universal women (19.68”-22.4”)
  • Weight: 1.45pound
  • Shell Material: polycarbonate
  • Visor Type: detachable
  • Ventilation: 22 vent opening
  • Impact absorb technology: MIPS
  • EPS inner foam lining.
  • CPSC certified
Prominent Features

If you have a small head size then this helmet is perfect for you. Due to its size and color GIRO categories this as the best mountain bike helmet under 100$ for women and child.

 MIPS technology protection 

This Giro helmet is designed to give maximum impact protection. Giro helmet equipped with MIPS technology can reduce the amount of rotational force that otherwise may result in head injury.

 Women series 

This helmet style, fitting, and price perfectly meet the requirements of women riders. The main factor that distinguishes this helmet from others is its size. This helmet size covers 98% of women populations. Children whose head size is in the range of 19.9”-22.4” can also use this helmet.

 Roc Loc fit system 

This helmet is equipped with the Roc Loc adjustment system. So, you can easily tighten it to fit your head. Roc Loc fit system offers an easy one hand operation. Its back knob helps to make quick adjustment of 2.7” range with one hand during cycling. This feature makes it premium to sport level helmet

 Excellent Ventilation 

This helmet is constructed in the mold after research in the Giro category-leading helmet test lab. Its 22 vent openings are engineered so perfectly to maximize air circulation around your head. You can use it all through summer.

 Comfortable helmet 

This helmet fits right on your head without being bulky. Moreover, their adjustments are simple. This is a lightweight helmet with excellent ventilation. All these features make this helmet very comfortable to wear.

Pros
  • Lightweight.
  • Comfortable.
  • Perfectly designed for women.
  • Perfect fitting.
  • One-handed adjustment system.
  • Premium to sports level.
  • Suitable for aggressive summer riding.
Cons
  • Small fitting helmet.

8. XINERTER Adult Mountain Bike Helmet with Cycling mask

XINERTER best mountain bike helmets under 100

Specifications
  • Helmet style: open face helmet
  • Available color: white, titanium grey, black, orange
  • Available size: adult size (22.4″- 24.01″)
  • Weight: 1.5 pound
  • Shell Material: polycarbonate
  • Visor type: detachable magnetic goggles
  • Ventilation: 20 vent opening
  • EPS inner foam lining.
  • CE & CPSC certified
Prominent Features

This is the best mountain bike helmet under $100 because it includes magnetic goggles and a riding mask to make your ride safe and healthier.

 Magnetic goggles 

The magnetic goggle of this helmet makes your ride safe and healthier by protecting your eyes from sand erosion. This magnetic eye shield is easy to use and very sturdy. It does not fall off during rides even on bumpy terrain.

You can also use the goggle as sunglasses. It can also protect your eyes from UV & IR radiation.

 Riding mask 

Due to the risk of coronavirus, this helmet came with a sleeve that you put around your neck. You can pull up to your nose if needed.

This mask also prevents you from inhaling dust and sand particles from the air.

 Certified protection 

Helmet EPC inner, cover by a hard polycarbonate shell can absorb high impact force. By meeting CE safety standards it PC+ EPC material can save your skull from any fracture during a collision.

 Comfortable helmet 

There are 20 vent openings to increase cool air circulation around your head and reduce overheating in summer. Washable helmet inner pads can also absorb your sweat and ensure your comfort in summer. Moreover, its lightweight makes you feel like you are not wearing anything on your head. It’s completely worth the money.

 Easy adjustment 

You can make air-tight adjustments around your head by using a dial in the back. Moreover, adjustment straps with quick-release clips help you to wear a helmet in the correct position.

 Unique feature 

The manufacture claims this helmet as a versatile product. You can use it for bicycles, mountain bikes, scooters, and road bikes. And if you think this helmet does not meet your requirement then you can send it back for replacement or refund.

Pros
  • Best for eye protection.
  • Good comfort level.
  • Versatile product.
  • Good control over adjustment.
  • Best in covid-19 pandemic.
  • Refundable.
  • Worth the money.
Cons
  • Available in one size only.

What a buyer should look for in the Mtb helmets under 100

I. Helmet material

The main objective of a mountain bike helmet is to give protection against head injury in case of falling off the bike. Helmet polystyrene (EPS) inner, cover by a hard plastic outer shell should be robust enough to give puncture resistance and able to dissipate impact force in case of an accident.

The outer shell should be hard and smooth because a smooth surface can slide on the ground to minimize impact pressure. For greater strength, some manufacturer uses carbon fiber shell material. Make sure helmet material must meet the CPSC safety standard. CPSC certified helmet can cover impacts closer to speed 15-30mph (25-50kph). So, you cannot use this helmet for high-speed motorbiking.

II. Helmet shapes

Mountain bike helmets come in different shapes and all of them do their job. Different shapes have their advantages and disadvantages. These shapes are according to different riding styles.

  • XC or half-shell mountain bike helmet

These helmets are very lightweight and design aerodynamically. They are made for less aggressive cross country riding.

  • Open face mountain helmet

These are slightly heavier and more protective. Design for rougher terrain and aggressive nature of riding. It gives more protection to the back than the XC helmet. It gives uphill riding protection and looks similar to an XC helmet.

  • Full face or downfall helmet

This helmet type protects the entire head, chin, and face. With increase protection, you have to compromise on ventilation. However, modern design offers more ventilation with full-face protection. It gives protection during downhill mountain biking.

  • Convertible helmet

In this helmet, you can remove the chin bar to convert a full-face helmet to a half face. It is a great option if you want protection during the downhill section and comfort when climbing hills.

III. Ventilation

Today helmet companies cleverly design mountain bike helmets to maximize protection and ventilation. You should choose a helmet with maximum ventilation to enhance wind flow over your head in hot weather conditions. XC helmets are very open for ventilation and full-face helmet are less open for ventilation.

IV. Helmet size

Before purchasing a helmet you should measure your head circumference because helmet sizing is based on that. Measure your head circumference 1inch above your eyebrow to make sure proper fitting.

Bike helmet size according to head circumference available in market

  • Extra-large: > 24.75″
  • Large: 23.25″–24.75″
  • Medium: 21.75″–23.25″
  • Small: 20″–21.75″
  • Extra small: < 20″

V. Comfortable fit 

The comfort of a helmet depends upon its weight and proper fitting. Expensive helmets available in different sizes but low price helmets have only one shell size, whose fitting rely on adjustment straps. The main thing is to ensure that helmet sits properly on your head as well as there is no pressure point and undue movement.

Almost all the helmets have a head retention system which allows you to make adjustments around the circumference of your head. You should choose a helmet whose retention system is operatable with one hand.

VI. Visor type

All mountain bike helmets have some sort of visor to protect our face especially eyes from sunlight, rain, and dirt. During riding, you can also realize many other visor benefits. So, choose a helmet with a visor is very beneficial.

There are many shapes and styles of visors available in the market. But mostly following two main types of the visor are popular among the rider.

  • Built-in visor

It permanently seals with the helmet. This type of visors is part of the entire structure of the helmet. They are long enough to keep rain and sunlight out of your eyes.

  • Detachable visor

You can remove and reattach this type of visor from your helmet. The detachable visor comes in different forms to keep the rider safe. You can replace a detachable visor according to your riding habit and weather conditions.

VII. Impact absorbing technologies

If you want to ride the bike with greater peace of mind then you should purchase a helmet that comes with impact-absorbing technology. These technologies minimize the rotational force impact during an accident. But these technologies cost some additional money to the helmet.

  • MIPS

Multi-directional Impact Protection System (MIPS) technology lets the helmet slide relative to the head and adds more protection against the rotational force which causes brain injury. It does this by using slip-planes. Helmets with this technology are marked with a small yellow logo.

  • WaveCel

Wavecel is a collapsible cellular structure material that lines inside a helmet. It helps to absorb the angle impact force and protect your head from injury. This advanced technology receives funding from the US National health institute which proves its effectiveness.

  • SPIN

Shearing pads inside (SPIN) technology involve silicone pads lining inside the helmet which do not allow impact force to transfer to your head during collision. Silicone pads dissipate the impact force without compromising on ventilation and comfort.

Final Words

I carefully picked-out these 8 best mountain bike helmets under $100. I described every helmet with its unique features. All of these are highly desirable best-selling helmets and known for their durability & comfort. This article will help you to choose the helmet that most accurately suits your riding needs. If I share my experience my favorite mountain bike helmet among these is DEMON UNITED Podium Full Face Mountain Bike Helmet. It best suits my taste and requirements. And I hope after reading this article, you have found your best mountain bike helmet under $100.

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