This is the ultimate Buyer’s guide to the Best mountain bike helmets under 100 and most important is that, In picking this mountain bike helmets under 100, we have considered a lot of factors like quality, features, product price and many more so you can not go wrong with your product purchase.
We have spent around 29 hours to find the right option for you and based on our research Schwinn Thrasher Bike Helmet, Lightweight Microshell Design, Adult, Carbon is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra hours then we have another great option for you is GROTTICO Adult-Men-Women Bike Helmet with Light – CPSC Certified for Mountain Road Bicycle Helmet with Replacement Pads & Detachable Visor. Here is a review of some of the best mountain bike helmets under 100, together with their features and functions.
As you read, through the article, you will understand some of the top mountain bike helmets under 100 and learn more about their features. Let’s proceed without wasting any more time.
Best mountain bike helmets under 100
Image
Product Title
Score
Exclusky Mountain Bike Helmet MTB Bicycle Cycling Helmets for Adult Women and Men CPSC Certified
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9.6
Giro Chronicle MIPS Adult Mountain Cycling Helmet – Large (59-63 cm), Matte Black/Gloss Black (2020)
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9.1
GROTTICO Adult-Men-Women Bike Helmet with Light – CPSC Certified for Mountain Road Bicycle Helmet with Replacement Pads & Detachable Visor
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8.8
OUWOR Mountain Bike MTB Helmet, CPSC Certified, Removable Visor, for Adult Men Women Youth (Blackish Green)
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8.5
ILM Adult ATV Motocross Dirt Bike Motorcycle BMX MX Downhill Off-Road MTB Mountain Bike Helmet DOT Approved (Matte Black, Adult-L)
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7.7
Giro Tremor MIPS Youth Visor MTB Bike Cycling Helmet – Universal Youth (50-57 cm), Matte Bright Green (2021)
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7.4
Basecamp Specialized Bike Helmet with Safety Light,Adjustable Cycling Helmet Bicycle Helmet with Removable Visor+Portable Backpack for Road&Mountain Men&Women,Youth Protection(BlackWhiteRed-BigLight)
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6.8
Giro Fixture MIPS Bike Helmet – Matte Black,One Size
Giro Fixture MIPS Bike Helmet - Matte Black,One Size
$55.84 in stock
Amazon.com
as of September 11, 2025 9:08 am
Features
- MARKET LEADING PROTECTION: Engineered in Giro's category leading helmet test lab.
- INTEGRATED MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash.
- VENTILATION: 18 Wind Tunnel vents with internal channeling.
- RUGGED: In-molding construction.
- UNIVERSAL FIT SIZING: Get the right fit, straight out of the box.
Exclusky Mountain Bike Helmet MTB Bicycle Cycling Helmets for Adult Women and Men CPSC Certified
Exclusky Mountain Bike Helmet MTB Bicycle Cycling Helmets for Adult Women and Men CPSC Certified
$29.99 in stock
2 new from $29.99
Free shipping
Amazon.com
as of September 11, 2025 9:08 am
Features
- Comfortable and Lightweight: This mtb helmets for adults made of lightweight material, the inner pad use of breathable material to wear comfortably. The adoption of specialized aerodynamic and ventilation design allow air go through the women's helmets which help increase the speed and keep stay cool.
- IMPACT RESISTANCE: This bicycle helmets for adults pecially designed for adult rider. Material use the tough and durable PVC & PC, EPS foam which help absorb the impact and protect the head during crash.
- Visor and Adjustment System: Single-Hand dial retention system is easy to adjust and make the cycling helmet perfect fit on your head,This reinforced large sun visor is designed perfectly to match this biking helmet for you - Visor is easy to move upward to offer you broad sights.
- Applicable Scenarios: A unisex bicycle helmets for adults for riding a bicycle, road bike, skateboard. Ideal for bike commuting, recreational cycling, and skateboarding.
- Bike helmet: Exclusky team fully stand behind all Exclusky products, if you are not satisfied with our product for any reason at any time, please contact our Exclusky team timely and we will make it right.
Giro Chronicle MIPS Adult Mountain Cycling Helmet – Large (59-63 cm), Matte Black/Gloss Black (2020)
Giro Chronicle MIPS Adult Mountain Cycling Helmet - Large (59-63 cm), Matte Black/Gloss Black (2020)
out of stock
Amazon.com
as of September 11, 2025 9:08 am
Features
- MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab
- MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash
- COMFORT: Easily adjust vertical position and tension with the Roc Loc 5 fit system
- GOGGLE COMPATIBILITY: Fully adjustable P.O.V. Plus visor
- VENTILATION: 14 Wind Tunnel vents with internal channeling
GROTTICO Adult-Men-Women Bike Helmet with Light – CPSC Certified for Mountain Road Bicycle Helmet with Replacement Pads & Detachable Visor
GROTTICO Adult-Men-Women Bike Helmet with Light - CPSC Certified for Mountain Road Bicycle Helmet with Replacement Pads & Detachable Visor
$37.99 in stock
Amazon.com
as of September 11, 2025 9:08 am
Features
- SAFETY - This GROTTICO bike helmet meets US & EU cycling standards.
- ADJUSTABLE DIAL & STRAPS - The adjustable fit system for men and women. 2 sizes for choice, suggested head circumference: M (55-58CM), L (59-61CM)
- INTEGRATED SAFETY REAR LIGHT - Bicycle helmet with USB rechargeable light. Best for night riding with 3 lighting modes, Steady, Flash and Wave.
- TOUGH & LIGHTWEIGHT - Integrated forming a tough polycarbonate outer shell with the impact-absorbing foam liner. The fusion process makes helmets lighter and cooler than traditional helmets.
- KEEP YOUR HEAD COOL - 23 vents keep ample ventilation. Provide one more set of helmet replacement inner pads and two different color visors to collocation.
OUWOR Mountain Bike MTB Helmet, CPSC Certified, Removable Visor, for Adult Men Women Youth (Blackish Green)
OUWOR Mountain Bike MTB Helmet, CPSC Certified, Removable Visor, for Adult Men Women Youth (Blackish Green)
out of stock
Amazon.com
as of September 11, 2025 9:08 am
Features
| Part Number | OUWORmt02bkgn |
| Color | Blackish Green |
| Size | Large: 56-61 cm / 22-24 inch |
Smith Venture MIPS MTB Helmet (Medium, Matte Sage)
Smith Venture MIPS MTB Helmet (Medium, Matte Sage)
out of stock
Amazon.com
as of September 11, 2025 9:08 am
Features
| Part Number | E0073028Z5559 |
| Model | E0073028Z5559 |
| Color | Matte Sage |
| Is Adult Product | |
| Size | Medium |
ILM Adult ATV Motocross Dirt Bike Motorcycle BMX MX Downhill Off-Road MTB Mountain Bike Helmet DOT Approved (Matte Black, Adult-L)
ILM Adult ATV Motocross Dirt Bike Motorcycle BMX MX Downhill Off-Road MTB Mountain Bike Helmet DOT Approved (Matte Black, Adult-L)
$79.99 in stock
Amazon.com
as of September 11, 2025 9:08 am
Features
- DOT certified for Safety - meets or exceeds FMVSS-218 and DOT safety standards.
- Upgraded lightweight ABS shell with a thick, high density fully vented EPS liner, brings you better protection and comfortable wearing.
- Sleek aerodynamic design made for speed. Front and back air vents for maximum ventilation.
- Detachable and washable inner pads.
- The visor can easily be detached from the helmet for days when not needed. It is excellent for protection against the sun, which can be rotated slightly to account for the sun's direction.
Giro Tremor MIPS Youth Visor MTB Bike Cycling Helmet – Universal Youth (50-57 cm), Matte Bright Green (2021)
Giro Tremor MIPS Youth Visor MTB Bike Cycling Helmet - Universal Youth (50-57 cm), Matte Bright Green (2021)
out of stock
Amazon.com
as of September 11, 2025 9:08 am
Features
- Integrated MIPS Technology
- Full Hardbodyshell
- Removable visor
- Quick-Dry padding
- Roc Loc Sport MIPS
Schwinn Thrasher Bike Helmet, Lightweight Microshell Design, Adult, Carbon
Schwinn Thrasher Bike Helmet, Lightweight Microshell Design, Adult, Carbon
$31.99 in stock
2 new from $31.99
Free shipping
Amazon.com
as of September 11, 2025 9:08 am
Features
- ADULT BIKE HELMET: Designed for fitness and recreational rides, this sporty bicycle helmet fits riders ages 14+ with head circumferences from 58 - 62 cm. Wherever the road leads, you’re covered.
- THE PERFECT, SECURE FIT: The adjustable dial retention system offers a snug, secure fit with just a twist, while side and chin straps fine-tune the fit for all-day comfort and stability. Sun protection is a snap with an easily removable visor.
- LIGHTWEIGHT AND COMFORTABLE: This mens and womens helmet features microshell construction for lightweight durability, while full-coverage padding surrounds the head in 360° comfort and can be removed and washed.
- READY TO GO THE EXTRA MILE: Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Coverage). Twenty air vents keep you cool – this Schwinn bike helmet is ready for the adventure.
- TRUSTED SCHWINN QUALITY: Schwinn is the original American bike brand. We’ve spent over 130 years building the bicycle industry into what it is today, and we’re not done yet. Each ride is designed in Madison, WI.
Basecamp Specialized Bike Helmet with Safety Light,Adjustable Cycling Helmet Bicycle Helmet with Removable Visor+Portable Backpack for Road&Mountain Men&Women,Youth Protection(BlackWhiteRed-BigLight)
Basecamp Specialized Bike Helmet with Safety Light,Adjustable Cycling Helmet Bicycle Helmet with Removable Visor+Portable Backpack for Road&Mountain Men&Women,Youth Protection(BlackWhiteRed-BigLight)
$34.99 in stock
1 used from $32.19
Free shipping
Amazon.com
as of September 11, 2025 9:08 am
Features
- 【Impact Resistant Bike Helmet】Basecamp bike helmet meets US & EU cycling standards. In-molding technology joins thick EPS foam core and tough high density PC outer shell to ensure this bicycle helmet absorb the impact force in the crash and keep your head safe when road cycling or mountain biking.
- 【Bicycle Helmet with Detachable Taillight】Bike helmets for men women comes with led back light in the shape of diamond. 3 lighting modes (steady, slow flashing and fast flashing) help people behind you recognized your direction clearly, and provide max visibility and safety while night riding on the city streets. Extra back-up battery is also included.
- 【Cycling Helmet with Sun Visor】Adult bike helmets with special design of sun visor shield provides shade when biking, making you reduce glare and increase your field of vision, so that you can enjoy cycling even in hot days, and you can take the visor off when you don't want it.
- 【Adjustable Fit System】Biking helmet with a standard size, equipped with the easy-use dial system and side straps make this mountain bike helmet adjustable to different head size 57cm-62cm(22.44’’-24.41’’) and fit most cycling riders both men and women. Super light-weighted 270g(0.59lbs) bike helmets for adults will not cause any burden to the rider's head during cycling.
- 【Super Comfortable Bike Helmets】Aerodynamic and ventilation design 22 vents allow air go through the biking helmet, which is helpful to increase the speed and keep cool during riding a bike. The inner pads is super soft and comfortable, which can be removed to clean. A good bicycle helmets for adults will keep you comfortable, good looking and confident.
With this, our list of best mountain bike helmets under 100 has come to an end. Like we said in the earlier part of this post, we have done extensive research on these mountain bike helmets under 100. Not to mention, the prices of the mountain bike helmets under 100 are also flexible. You should also check Giro Chronicle MIPS Adult Mountain Cycling Helmet – Large (59-63 cm), Matte Black/Gloss Black (2020) one of the most sold items in the market.
