10 Best Mountain Bike Helmets Under $100

Last Updated on October 23, 2026 by Jaxon Mike

The best mountain bike helmets offer crucial head protection and comfort for every trail, with standout options like the Giro Fixture MIPS II providing excellent safety features and value.

Choosing the right helmet is essential for serious riders and casual adventurers alike, ensuring a secure fit and adequate ventilation to keep you cool and protected on challenging terrain. These helmets are designed to absorb impact and reduce rotational forces, making them a smart investment for your safety.

This guide narrows down the vast market to 10 top-performing mountain bike helmets, rigorously tested for their durability, fit, and overall performance. We evaluated each contender based on key criteria such as ventilation, coverage, adjustability, and safety certifications to help you find the perfect match for your needs, all while keeping budgets in mind. Read on to explore our top picks and find the ideal helmet for your next ride.

3 Standout Picks: Advanced Safety, Premium Safety, and Performance Value

Start with these 3 standouts. Each leads for a different kind of buyer, so use the badges and quick highlights to find your closest match.

10 Models Side by Side: Features, Best Use Cases, and Tradeoffs

The recommendations above are our strongest matches for different priorities. Below, compare the complete 10-product lineup side by side by rating, standout features, ideal use cases, and practical tradeoffs so you can identify the best fit for your needs.

1
Giro Fixture MIPS II
Giro

Giro Fixture MIPS II

Main Highlights
  • Superior MIPS safety system
  • Easy-to-use Roc Loc fit
Show MoreShow Less
  • Excellent ventilation and comfort
  • Integrated MIPS system
  • Roc Loc Sport fit
2
Giro Fixture MIPS II
Giro

Giro Fixture MIPS II

Main Highlights
  • Superior MIPS safety system
  • Easy-to-use Roc Loc fit
Show MoreShow Less
  • Excellent ventilation and comfort
  • Integrated MIPS system
  • Roc Loc Sport fit
3
Giro Fixture MIPS II
Giro

Giro Fixture MIPS II

Main Highlights
  • Excellent MIPS safety technology
  • Comfortable and lightweight
Show MoreShow Less
  • Easy and secure fit system
  • Integrated MIPS system
  • Roc Loc Sport fit
4
Schwinn Thrasher Adult Helmet
Schwinn

Schwinn Thrasher Adult Helmet

Main Highlights
  • Exceptional value for money
  • Plenty of vents for cooling
Show MoreShow Less
  • Secure and adjustable fit
  • CPSC safety standard
  • 21 air vents
5
Favoto MTB Helmet
Favoto

Favoto MTB Helmet

Main Highlights
  • Unique magnetic buckle
  • Secure glasses strap
Show MoreShow Less
  • Dual-shell protection
  • Dual-shell integrated molding
  • Magnetic buckle closure
6
BATFOX Mountain Bike Helmet
BATFOX

BATFOX Mountain Bike Helmet

Main Highlights
  • Meets multiple safety standards
  • Good ventilation for cooling
Show MoreShow Less
  • Adjustable fit system
  • CPSC, ASTM, CE certified
  • Full coverage EPS foam
7
BATFOX Mountain Bike Helmet
BATFOX

BATFOX Mountain Bike Helmet

Main Highlights
  • Multiple safety certifications
  • Effective ventilation system
Show MoreShow Less
  • Secure and adjustable fit
  • CPSC, ASTM, CE certified
  • Full coverage EPS foam
8
EXCLUSKY Lightweight MTB
EXCLUSKY

EXCLUSKY Lightweight MTB

Main Highlights
  • Extremely lightweight and comfortable
  • Good airflow and cooling
Show MoreShow Less
  • Easy-to-use adjustment dial
  • Lightweight aerodynamic design
  • EPS impact absorption
9
Scavin NTA 8776 Helmet
Scavin

Scavin NTA 8776 Helmet

Main Highlights
  • NTA 8776 E-bike certification
  • Lightweight and comfortable
Show MoreShow Less
  • Convenient magnetic clasp
  • NTA 8776 E-bike certified
  • Magnetic clasp design
10
ANYPASS Ultra Comfort Helmet
ANYPASS

ANYPASS Ultra Comfort Helmet

Main Highlights
  • Extremely lightweight and comfortable
  • Excellent ventilation system
Show MoreShow Less
  • Meets CPSC safety standards
  • CPSC safety standard
  • 17 optimized vents

10 Models Reviewed in Depth

#1. Giro Fixture MIPS II

Advanced Safety

Giro Fixture MIPS II
92
OVERALL SCORE
Safety (MIPS)
9.8
Comfort
9.0
Fit System
9.3
Ventilation
8.9
Check Price on Amazon→

You’ll gain peace of mind with the Giro Fixture MIPS II, featuring an integrated MIPS Brain Protection System designed to reduce rotational forces during impacts. This helmet excels in comfort, thanks to its lightweight in-mold construction that fuses the shell to the foam, boosting airflow through its numerous vents. The Roc Loc Sport fit system is incredibly user-friendly, allowing for easy one-handed adjustments to achieve a secure and personalized fit, even with gloves on. Reflective details add a crucial layer of visibility for low-light conditions.

While the Fixture MIPS II offers exceptional value, some riders might prefer a more aggressive or distinct aesthetic. The visor, while functional, is fairly standard and not adjustable in multiple positions. If you prioritize top-tier safety technology and a comfortable, reliable fit for everyday trail riding or commuting, this helmet is an outstanding choice.

Pros

  • Superior MIPS safety system
  • Easy-to-use Roc Loc fit
  • Excellent ventilation and comfort

Cons

  • Conservative styling
  • Non-adjustable visor
  • Padding could be thicker

Specifications

Brand
Giro
Safety Tech
MIPS
Fit System
Roc Loc Sport
Vents
18
Construction
In-mold Polycarbonate
Size
Universal Adult (54-61cm)
Check Price on Amazon→

#2. Giro Fixture MIPS II

Premium Safety

Giro Fixture MIPS II
92
OVERALL SCORE
Safety (MIPS)
9.8
Comfort
9.0
Fit System
9.3
Ventilation
8.9
Check Price on Amazon→

You’ll gain peace of mind with the Giro Fixture MIPS II, featuring an integrated MIPS Brain Protection System designed to reduce rotational forces during impacts. This helmet excels in comfort, thanks to its lightweight in-mold construction that fuses the shell to the foam, boosting airflow through its numerous vents. The Roc Loc Sport fit system is incredibly user-friendly, allowing for easy one-handed adjustments to achieve a secure and personalized fit, even with gloves on. Reflective details add a crucial layer of visibility for low-light conditions.

While the Fixture MIPS II offers exceptional value, some riders might prefer a more aggressive or distinct aesthetic. The visor, while functional, is fairly standard and not adjustable in multiple positions. If you prioritize top-tier safety technology and a comfortable, reliable fit for everyday trail riding or commuting, this helmet is an outstanding choice.

Pros

  • Superior MIPS safety system
  • Easy-to-use Roc Loc fit
  • Excellent ventilation and comfort

Cons

  • Conservative styling
  • Non-adjustable visor
  • Padding could be thicker

Specifications

Brand
Giro
Safety Tech
MIPS
Fit System
Roc Loc Sport
Vents
18
Construction
In-mold Polycarbonate
Size
Universal Adult (54-61cm)
Check Price on Amazon→

#3. Giro Fixture MIPS II

Performance Value

Giro Fixture MIPS II
91
OVERALL SCORE
Safety (MIPS)
9.8
Comfort
9.0
Fit System
9.3
Ventilation
8.9
Check Price on Amazon→

You’ll appreciate the advanced safety features of the Giro Fixture MIPS II, particularly its integrated MIPS system designed to mitigate rotational forces during impacts. This helmet offers excellent comfort due to its lightweight in-mold construction, which fuses the shell directly to the foam liner, promoting better airflow through its numerous vents. The Roc Loc Sport fit system is a standout feature, providing easy, one-handed adjustment for a secure and personalized fit. Enhanced visibility is offered through reflective details, making you more noticeable in low-light conditions.

While this helmet provides great value, some riders might find the styling a bit understated compared to more aggressive designs. The visor is functional but lacks multi-position adjustability. If you’re seeking a helmet that balances top-tier safety technology with comfort and a reliable fit for a variety of cycling disciplines, this Giro model is a highly recommended option.

Pros

  • Excellent MIPS safety technology
  • Comfortable and lightweight
  • Easy and secure fit system

Cons

  • Styling is conservative
  • Visor is not adjustable
  • Heavier than some competitors

Specifications

Brand
Giro
Safety Tech
MIPS
Fit System
Roc Loc Sport
Vents
18
Construction
In-mold Polycarbonate
Weight
1.7 lbs (771g)
Check Price on Amazon→

#4. Schwinn Thrasher Adult Helmet

Everyday Cycling

Schwinn Thrasher Adult Helmet
90
OVERALL SCORE
Value
9.5
Comfort
8.8
Ventilation
9.0
Fit
8.7
Check Price on Amazon→

You’ll find the Schwinn Thrasher helmet to be a reliable and comfortable companion for your everyday cycling adventures, offering excellent value for its price. It meets the U.S. CPSC safety standard, providing essential protection for riders aged 14 and up. With a generous 21 air vents, you can expect good airflow to keep your head cool, even on warmer days. The adjustable dial retention system ensures a snug and secure fit, complemented by side and chin straps for fine-tuning, and the removable visor adds a practical touch for sun protection.

While the microshell construction is lightweight, some riders might prefer a more robust feel for demanding off-road use. The padding, though comfortable and washable, is fairly standard. If you’re looking for a dependable, well-ventilated, and affordable helmet for commuting, recreational rides, or general fitness cycling, the Schwinn Thrasher is a fantastic choice that won’t disappoint.

Pros

  • Exceptional value for money
  • Plenty of vents for cooling
  • Secure and adjustable fit

Cons

  • Basic construction for heavy use
  • Padding is standard
  • Visor is removable, not integrated

Specifications

Brand
Schwinn
Safety
U.S. CPSC Compliant
Vents
21
Fit System
Dial Fit
Construction
Microshell
Head Size
58-62 cm
Check Price on Amazon→

#5. Favoto MTB Helmet

Innovative Features

Favoto MTB Helmet
89
OVERALL SCORE
Protection
9.2
Convenience
9.0
Comfort
8.8
Weight
9.1
Check Price on Amazon→

You’ll be impressed by the thoughtful features on this Favoto mountain bike helmet, starting with its dual-shell integrated molding for enhanced safety and impact resistance. The innovative magnetic buckle is a game-changer, allowing for quick, one-handed fastening even with gloves on. Plus, the integrated elastic cord for sunglasses is a clever touch, keeping your eyewear secure without dangling straps. Its lightweight design, featuring 20mm thickened EPS foam, ensures comfort for long rides.

While the magnetic buckle is convenient, ensure it’s properly aligned for a secure lock every time. The integrated glasses strap is functional but might not fit all sunglass temple designs perfectly. Overall, this helmet is an excellent choice for riders who value innovative features and robust protection at a reasonable price point.

Pros

  • Unique magnetic buckle
  • Secure glasses strap
  • Dual-shell protection

Cons

  • Glasses strap fit may vary
  • Magnetic buckle requires alignment
  • Limited color options

Specifications

Brand
Favoto
Construction
Dual-Shell PC
Closure
Magnetic Buckle
Foam
20mm EPS
Certifications
CPSC, CE
Weight
335g
Check Price on Amazon→

#6. BATFOX Mountain Bike Helmet

Trail Riding Safety

BATFOX Mountain Bike Helmet
88
OVERALL SCORE
Safety
9.5
Ventilation
8.8
Comfort
8.5
Fit
9.0
Check Price on Amazon→

You’ll appreciate the robust safety features of this BATFOX mountain bike helmet, which meets CPSC, ASTM, and CE standards for maximum protection on the trails. Its full-coverage design combines a tough polycarbonate shell with an impact-absorbing EPS liner, ensuring durability without excessive weight. With 18 strategically placed wind tunnel vents, you can expect excellent airflow to keep you cool and comfortable, even on demanding rides. The included large visor offers protection from sun and debris, and the adjustable dial ensures a customizable, secure fit.

While this helmet offers great value, some riders might find the 380g weight slightly noticeable on very long climbs. However, for most trail riding scenarios, its balance of protection, ventilation, and comfort makes it a solid choice for adult riders looking for reliable gear without breaking the bank.

Pros

  • Meets multiple safety standards
  • Good ventilation for cooling
  • Adjustable fit system

Cons

  • Slightly heavier than some competitors
  • Visor might be too large for some
  • Basic aesthetic

Specifications

Brand
BATFOX
Material
Polycarbonate, EPS Foam
Vents
18
Fit System
Adjustable Dial
Certifications
CPSC, CE, ASTM
Weight
380g
Check Price on Amazon→

#7. BATFOX Mountain Bike Helmet

Value Protection

BATFOX Mountain Bike Helmet
88
OVERALL SCORE
Safety
9.5
Ventilation
8.8
Comfort
8.5
Fit
9.0
Check Price on Amazon→

You’ll appreciate the comprehensive safety certifications of this BATFOX mountain bike helmet, meeting U.S. CPSC, ASTM F1447, and E.U. CE standards for reliable protection. Its full-coverage design features a tough polycarbonate shell fused with an impact-absorbing EPS foam liner, offering durability without being overly heavy. The helmet is styled with 18 wind tunnel vents and internal channeling, ensuring good airflow to keep you comfortable during your rides. A large visor provides protection from the sun and elements, and the adjustable dial allows for a customized, secure fit.

While this helmet offers excellent protection and features for its price point, some riders might find the 390g weight slightly more noticeable than lighter options. The included components list shows ‘Viosr’, which is a minor typo. For adult men and women seeking a safe, well-ventilated, and adjustable helmet for trail riding without a high cost, this BATFOX model is a strong contender.

Pros

  • Multiple safety certifications
  • Effective ventilation system
  • Secure and adjustable fit

Cons

  • Slightly heavier than some
  • Minor typo in specs
  • Visor design is basic

Specifications

Brand
BATFOX
Material
Polycarbonate, EPS Foam
Vents
18
Fit System
Adjustable Dial
Certifications
CPSC, CE, ASTM
Weight
13.76 oz (390g)
Check Price on Amazon→

#8. EXCLUSKY Lightweight MTB

All-Around Comfort

EXCLUSKY Lightweight MTB
87
OVERALL SCORE
Comfort
9.2
Weight
9.5
Ventilation
8.8
Value
8.5
Check Price on Amazon→

You’ll immediately notice how comfortable and lightweight this EXCLUSKY mountain bike helmet is, making it ideal for long rides where you want to minimize fatigue. Its aerodynamic design and ventilation work together to keep you cool, while the EPS foam provides essential impact protection. The single-hand dial retention system makes adjustments simple, and the reinforced, large sun visor is easily adjustable to provide shade or be moved out of the way for a broader view.

While the helmet is designed for impact resistance, it’s important to remember it’s best suited for general cycling and skateboarding rather than extreme downhill riding. The visor’s adjustability is functional but might feel less robust than integrated systems. For riders seeking a comfortable, well-ventilated, and budget-friendly helmet for daily commutes or recreational rides, this option is a great value.

Pros

  • Extremely lightweight and comfortable
  • Good airflow and cooling
  • Easy-to-use adjustment dial

Cons

  • Best for general cycling, not extreme
  • Visor adjustment is basic
  • Material feel is less premium

Specifications

Brand
EXCLUSKY
Material
PVC & PC, EPS Foam
Weight
11.36 oz (322g)
Fit System
Dial Retention
Vents
Aerodynamic
Visor
Removable
Check Price on Amazon→

#9. Scavin NTA 8776 Helmet

E-Bike Certified

Scavin NTA 8776 Helmet
86
OVERALL SCORE
E-Bike Safety
9.5
Weight
9.0
Convenience
8.5
Ventilation
8.2
Check Price on Amazon→

You’ll appreciate the specialized NTA 8776 certification on this Scavin helmet, making it a standout choice for e-bike riders who require enhanced protection. It also meets CPSC and CE standards, offering dual safety assurance. The integrated molding process combines a PC outer shell with EPS foam for effective impact absorption. The magnetic clasp is a convenient feature, allowing for easy one-handed adjustments to achieve a comfortable and secure fit, and the removable liner and visor add to its practicality.

While the helmet is lightweight at 340g, the ventilation, though present, might not be as robust as some higher-end mountain bike-specific helmets designed for extreme heat. The included components spec is listed as ‘NO’, which is confusing given the mention of a removable liner and visor in the bullets. For e-bike enthusiasts prioritizing certified safety and convenient features, this helmet offers good value.

Pros

  • NTA 8776 E-bike certification
  • Lightweight and comfortable
  • Convenient magnetic clasp

Cons

  • Ventilation could be improved
  • Conflicting spec on included components
  • Less suited for extreme MTB

Specifications

Brand
Scavin
Certifications
NTA 8776, CPSC, CE
Closure
Magnetic Clasp
Material
PC Shell, EPS Foam
Weight
340g
Features
Removable Liner/Visor
Check Price on Amazon→

#10. ANYPASS Ultra Comfort Helmet

Lightweight Comfort

ANYPASS Ultra Comfort Helmet
85
OVERALL SCORE
Comfort
9.3
Weight
9.5
Ventilation
9.0
Protection
8.5
Check Price on Amazon→

You’ll experience exceptional comfort with the ANYPASS mountain bike helmet, weighing in at a mere 330g, making it feel virtually weightless on your head. Its design prioritizes airflow, featuring 17 optimized vents that work with internal channeling to keep you cool during strenuous rides. The helmet meets U.S. CPSC standards, utilizing in-mold construction to fuse a durable PC shell with an EPS foam core for efficient impact absorption. The removable sun visor adds versatility, and the adjustable dial ensures a personalized, secure fit for extended wear.

While the helmet is designed for comfort and general trail use, the deeper coverage at the back and sides, while good, might not be as extensive as some dedicated enduro helmets. The padding is plush and washable, but some might find it slightly less substantial than thicker options. For riders prioritizing a lightweight feel, excellent ventilation, and reliable protection for commuting or recreational trail riding, this helmet is a superb choice.

Pros

  • Extremely lightweight and comfortable
  • Excellent ventilation system
  • Meets CPSC safety standards

Cons

  • Coverage less extreme than enduro helmets
  • Padding is standard thickness
  • Visor is basic

Specifications

Brand
ANYPASS
Safety
U.S. CPSC Compliant
Vents
17
Fit System
Adjustable Dial
Construction
In-mold PC/EPS
Weight
330g
Check Price on Amazon→

Conquer the Trail with Confidence: Your Guide to the Perfect Mountain Bike Helmet

Hitting the trails is an exhilarating escape, but your head’s safety should always be your top priority. With so many options out there, finding a reliable mountain bike helmet that offers excellent protection without breaking the bank can feel overwhelming. This guide will help you navigate the essentials, ensuring you get a helmet that keeps you safe and comfortable on every adventure, even when you’re being mindful of your spending.

Decoding the Dirt-Ready Design

When you’re assessing mountain bike helmets, several key elements contribute to their performance and your peace of mind.

  • Impact Protection: Look for helmets designed to absorb shock from impacts. Features like MIPS (Multi-directional Impact Protection System) are engineered to reduce rotational forces that can occur during certain types of crashes.
  • Ventilation: Trail riding can get hot. Ample vents help to circulate air, keeping your head cool and preventing overheating, which can affect focus and endurance.
  • Coverage: Mountain bike helmets typically offer extended coverage at the back of the head and temples compared to road helmets, providing an extra layer of protection for more aggressive riding.
  • Fit and Adjustability: A helmet that fits poorly won’t protect you effectively. A good retention system, often a dial at the back, allows for precise adjustment to ensure a snug and secure feel.
  • Sticking to your budget: Excellent protective gear is available at various price points. Focus on the core safety features and a good fit; you don’t need the most expensive model to get reliable protection.

Common Missteps on the Path to Protection

Avoid these common oversights when you’re shopping for your next helmet.

  • Buying a helmet solely based on its appearance without considering the protective technology or fit.
  • Assuming any helmet labeled “bike helmet” will suffice for off-road trails; mountain-specific designs offer crucial differences.
  • Forgetting to try the helmet on and adjust it properly to ensure it sits level and feels secure before committing to the purchase.

Your Trail-Ready Head Protection, Sorted

For dependable all-around performance without breaking the bank, the Giro Fixture MIPS II is your go-to. If you’re after solid protection with a slightly different aesthetic, the original Giro Fixture MIPS still delivers. For those prioritizing value and essential features, the Schwinn Thrasher and the Favoto helmet are excellent choices. And for riders seeking lightweight comfort and versatility, the other reviewed options all provide great bang for your buck. Rest assured, every helmet on this list comes in comfortably under the $100 mark.

Ready to gear up? Hit those buttons to check current availability and snag your perfect trail companion!

Final 3 Picks: Advanced Safety, Premium Safety, and Performance Value

Ready to decide? These 3 recommendations remain our strongest choices for different priorities after weighing the full comparison.

Keep every ride running longer

28 printable pages of maintenance schedules, logs and troubleshooting — for your car, bike, e-bike, scooter and kayak. Instant download.

Get the Kit $12

Leave a Comment