The Best Mountain Bike Helmets 2024
Safety, comfort, and functionality are crucial when choosing the best mountain bike helmet. Whether enjoying a casual ride or participating in an intense off-road race, a high-quality helmet provides full head protection and enhances your riding experience.
Here is a list of recommended mountain bike helmets for different needs. We have tested and selected several of the best mountain bike helmets on the market, each offering a balance of lightweight design, ventilation, and durability to meet the needs of various riders.
Key Features When Choosing a Mountain Bike Helmet
When selecting a mountain bike helmet, the following aspects are crucial:
- Weight: The weight of the helmet directly affects the rider’s comfort. Lightweight helmets are particularly suitable for long rides as they reduce strain on the neck and head.
- Ventilation: The helmet should have a good ventilation design to help keep the rider’s head cool, especially in hot weather or during high-intensity rides.
- Durability: High-quality materials and a robust shell can effectively resist impact, extending the helmet’s lifespan.
- Safety Technology: Many helmets come with advanced safety technologies such as MIPS (Multi-directional Impact Protection System), which provides additional protection for the head.
- Adjustability and Fit: The helmet should feature adjustable straps and a head circumference system to ensure a secure and comfortable fit.
- Style and Design: In addition to practicality, helmets should also meet personal style preferences. Colors and aesthetics often play a role in the decision-making process for many cyclists.
Best Mountain Bike Helmet Recommendations
Whether for casual riding or intense off-road racing, choosing the right mountain bike helmet is essential. The helmets recommended below have been rigorously tested and categorized to ensure they provide excellent protection and comfort in various riding conditions.
1. Full-face Helmets for Comprehensive Protection
Suitable for: Hardcore off-road riders, downhill enthusiasts
Features: Full-face helmets offer comprehensive protection for the head, face, and chin, making them ideal for extreme riding scenarios. These helmets usually feature a strong outer shell and soft inner lining to absorb impact and reduce the risk of head injuries.
Recommended Models:
Fox Rampage Pro Carbon MIPS

The Fox Rampage Pro Carbon MIPS is a full-face helmet designed for off-road and extreme sports, offering exceptional safety and comfort. Equipped with MIPS technology, it effectively reduces rotational impact during collisions, lowering the risk of concussions. Additionally, the helmet’s dual-density EPS foam liner provides better absorption during impacts of varying intensities, ensuring full head protection.
It also features an emergency release cheek pad system, allowing the helmet to be removed quickly and safely in case of an accident. However, the sizing tends to run small, so it’s advisable to try it on and consider opting for a larger size for the best fit.
Priced at $499, while expensive, it’s a worthwhile investment considering its comfort, protection, and sleek design.
Pros:
- MIPS technology for added rotational impact protection
- Soft internal padding for comfort
- Emergency release system for cheek pads
- Dual-density EPS foam for enhanced impact absorption
Cons:
- High price points may not suit budget-conscious riders
- Ventilation is limited, especially around the mesh areas
- Slightly heavy at 1250 ± 50g (size large)
Troy Lee Designs D3 Fiberlite

Troy Lee Designs D3 Fiberlite is a cost-effective full-face downhill helmet designed for mountain bikers, especially for downhill and cross-country riding. The helmet case is made of fiberglass and its unique ventilation design is equipped with 20 air intakes and exhausts to ensure smooth airflow and effectively reduce the stuffy feeling during long periods of riding.
D3 Fiberlite also has several practical features, such as an adjustable sun visor that allows riders to adjust their field of view as needed, reducing glare interference to their eyes. In terms of lining design, the helmet uses an easy-to-remove lining and cheek pad for easy cleaning and replacement. In case of emergency, riders can easily remove the helmet with a quick-release system to ensure safety.
With a price point of around $200, Troy Lee Designs D3 Fiberlite is a helmet that balances performance, comfort, and value.
Pros:
- Equipped with 20 intake and exhaust vents, ensuring continuous airflow, ideal for long rides.
- Offers flexible visibility options, adaptable to various environments.
- The liner and cheek pads are removable, making cleaning easy and maintaining hygiene.
Cons:
- Heavier weight: 1225g.
- Lacks rotational impact protection system.
2. Lightweight and Ventilated: Half-shell Helmets
Suitable for: Road cycling, light off-road cycling
Features: Half-shell helmets are generally lighter and more comfortable for long periods of wear. They emphasize ventilation, with multiple vents on the top and sides of the helmet to ensure airflow and keep the head cool during intense rides. They typically feature a combination of EPS foam and a PC shell to balance safety and lightweight design.
Recommended Models:
POC Octal MIPS

The POC Octal MIPS is a mid-range helmet priced at $200, offering excellent performance for road cyclists and gravel riders. It features variable-density EPS foam, thicker at the back and thinner at the front for enhanced impact protection in key areas. The full-wrap shell increases durability and supports the EPS for structural integrity. Updated with an MIPS liner, it effectively dissipates rotational forces during a collision to improve safety.
Weighing only 300g (size M), the helmet feels almost weightless, with 21 vents and deep airflow channels providing outstanding ventilation, particularly during hot weather and slow climbs. The helmet includes integrated sunglasses slots and reflective elements on the top and rear to enhance visibility during night rides.
The Octal’s design is minimalist yet elegant, with large vents arranged for optimal airflow. Its wide color options make it easy to match with bikes and gear. The helmet also comes with a simple storage bag for easy storage and dust protection.
However, the wide and round design may not be ideal for riders with smaller head shapes. Overall, the Octal is an excellent choice for road cyclists and gravel riders due to its lightweight and superb ventilation.
Pros:
- Excellent ventilation with 21 vents and deep airflow channels.
- High protection with variable density EPS foam.
- MIPS system to reduce rotational impact forces.
- Lightweight at 300g, offering great comfort.
- Reflective elements for improved visibility at night.
Cons:
- A wide design may not fit smaller heads well.
Bell Sixer MIPS

The Bell Sixer MIPS helmet is a versatile all-mountain helmet designed for mountain bikers, offering a balance of safety, comfort, and functionality. It features the MIPS (Multi-directional Impact Protection System), which helps reduce rotational forces during a collision, providing better head protection. In testing, it performed excellently, particularly in off-road environments, offering reliable protection.
With a moderate weight of 392g, the helmet provides a comfortable fit without weighing the head down. The multi-layered EPS foam increases overall comfort, and the four-position adjustable visor offers flexibility for various conditions, whether dealing with strong sunlight or needing to use goggles.
The Sixer MIPS stands out for its superior ventilation, particularly with its dual airflow vents that effectively wick sweat during high-intensity rides, keeping the head cool and dry. Additionally, the built-in GoPro mount is a great feature for riders who like to record their cycling adventures. The helmet’s durability has been confirmed after long-term use with no significant wear.
Overall, the Bell Sixer MIPS is a well-tested and recommended helmet that combines safety, comfort, and functionality, making it an excellent choice for mountain bikers.
Pros:
- MIPS system for better protection against rotational forces.
- Adjustable visor with four positions for sun and goggle use.
- Excellent ventilation with dual-flow vents.
- Built-in GoPro mount for recording rides.
- Comfortable and durable with multi-layer EPS foam.
Cons:
- Vertical adjustment can be a bit tricky.
3. Best Budget Mountain Bike Helmet
Suitable for: Riders on a budget who still prioritize safety
Features: Budget helmets may sacrifice some premium features like MIPS or high-end materials but still meet safety standards and provide basic head protection and comfort. They remain a solid choice for safe riding.
Recommended Model:
Lazer Coyote MIPS

The Lazer Coyote MIPS helmet is a high-performance choice that combines comfort and safety. It features 21 vents that allow air to flow in through the front and out through the back, keeping your head cool during long rides. The helmet is equipped with the MIPS system, providing extra protection by reducing brain impact in case of a crash. The MIPS system works by allowing the inner liner to rotate slightly upon impact, helping to reduce head injury.
We chose this helmet primarily for its excellent comfort and ventilation. The helmet’s adjustable fit system allows for a customized fit, enhancing comfort. Additionally, the helmet’s design includes a fixed visor, which helps keep the helmet stable and prevents it from shifting during intense riding. It fits head sizes from 52-61 cm and weighs only 320g, making it ideal for extended wear. Priced at €74.99, this helmet comes with a visor and MIPS safety system, making it an excellent choice for riders.
Pros:
- Adjustable fit system for a personalized fit.
- Enhanced protection with extra coverage at the sides and back.
- Good ventilation for long rides.
- MIPS system for better crash protection.
Cons:
- The fixed visor, cannot be adjusted.
- Basic design compared to premium models.
4. Integrated Features: Built-in Lighting and Communication
Suitable for: Nightriders or those needing to stay connected
Features: Some helmets come with integrated LED lighting and Bluetooth communication features, making them ideal for night riding or team rides where communication is key. The built-in lighting system improves visibility, while the Bluetooth communication module allows riders to stay in touch with teammates without removing the helmet.
Recommended Model:
Lumos Ultra

The Lumos Ultra left a strong impression on us and is undoubtedly a great choice for those who enjoy riding at night. It is priced at $199.95 with MIPS and $119.95 without MIPS.
We opted for the version with MIPS protection for added safety. The helmet is incredibly lightweight and feels comfortable without any pressure, while its streamlined design gives it a sporty road bike helmet look—modern and stylish.
What stands out most is the built-in LED light strips, with a white LED strip in the front, two red LED strips in the back, and orange turn signals, all of which are highly visible during night rides, enhancing safety. These lights are controlled via a Bluetooth remote mounted on the handlebars, making it easy to switch between different light modes with the press of a button. Additionally, Lumos offers a companion mobile app to adjust brightness, select flashing modes, and check the Bluetooth pairing status.
Battery life for the Lumos Ultra is also impressive. When riding during the day, we usually use both front and rear lights, and the battery lasts long enough, with excellent visibility even in daylight. To save battery, you can turn off the front light and just use the rear light as the turn signal. It also supports an Apple Watch app, allowing you to activate the signal lights using universal gestures on your watch, making it even more convenient. A notable feature is the USB Type-C port, which allows for easy charging with any direction for plug insertion.
Pros:
- Strong nighttime visibility with LED lights and turn signals.
- Bluetooth remote and app for light control.
- Apple Watch support for turn signal control.
Cons:
- Short battery life on high brightness.
- Limited visibility during the day.
5. XC Racing Focused: Ultra-light Design and Efficient Ventilation
Suitable for: XC race enthusiasts
Features: XC racing helmets focus on ultra-light design and high airflow efficiency. They have aerodynamic shapes to reduce wind resistance, and the inner materials quickly absorb sweat, ensuring comfort during long, intense races.
Recommended model:
Specialized Ambush 2

The Specialized Ambush 2 is designed with extreme ventilation and comfort at its core. It uses computational fluid dynamics to optimize airflow, with 18 vents for powerful air circulation, keeping your head cool even during tough climbs. The MIPS SL rotational impact protection system reduces the traditional plastic padding, further improving ventilation and comfort.
The helmet’s fit is almost imperceptible, with comfortable padding and an adjustable harness system for a secure fit. The extended coverage at the back ensures excellent protection, achieving a 5-star rating in independent tests. While it lacks the original ANGi Bluetooth crash sensor, its safety standards remain high, and it offers more competitive pricing compared to other flagship helmets.
However, the Ambush 2 has a few drawbacks. The non-adjustable visor is high and doesn’t offer enough shade at lower angles, requiring head adjustments to block direct sunlight. Additionally, although it provides excellent ventilation, the visor and sun protection could be better.
Overall, the Specialized Ambush 2 is a high-performing, well-designed helmet that stands out for riders seeking ventilation and comfort, especially for long rides or hot weather conditions. Its safety and comfort make it a top choice among similar products.
Pros:
- MIPS SL protection: Lightweight and enhanced safety.
- Comfortable fit: Adjustable harness and padding for long rides.
Cons:
- Non-adjustable visor: Provides limited shade at low angles.
How to Test Mountain Bike Helmets
When choosing a mountain bike helmet, it is just as important to evaluate its actual performance as it is to consider the brand and price. To ensure the helmet performs well in various environments, we have established rigorous testing standards and assessed the helmet’s safety, comfort, ventilation, and weight through multiple riding scenarios. Below are our testing methods and the resulting analysis.
Testing Standards
Safety
- MIPS Technology: Test whether the helmet is equipped with MIPS (Multi-Directional Impact Protection System) and evaluate its performance during falls or collisions. The MIPS system helps reduce rotational forces on the head upon impact, lowering the risk of brain injury.
- Impact Absorption: Simulate fall scenarios to test how well the helmet protects at different impact angles. Assess whether the helmet’s shell and inner padding effectively absorb impact forces and prevent head injuries.
Comfort
- Fit: Measure head circumference to test if the helmet provides a comfortable fit for different head shapes. Check if the inner padding, liners, and adjustable straps support long-duration wear without discomfort.
- Strap Adjustment System: Inspect whether the straps are easy to adjust, ensuring stability during high-intensity activities and adapting to the needs of different riders.
Ventilation
- Vent Hole Design: Check the number and placement of ventilation holes and whether they provide adequate airflow to reduce heat buildup during long rides.
- Airflow Simulation Test: Simulate riding at different speeds to assess how well the helmet’s internal airflow system performs. Focus on ventilation during high-intensity rides and whether it keeps the head cool.
Weight
- Lightweight Design: Test the overall weight of the helmet. A heavy helmet can impact riding comfort, especially during long rides. Evaluate how the helmet’s weight performs during practical use and if it’s suitable for extended wear.
Actual Testing Methods
To ensure a comprehensive evaluation of each testing standard, we use the following riding scenarios:
1.Urban Riding
Simulate daily commuting in city environments, where riders cycle on urban roads to test helmet comfort, ventilation, and safety at lower speeds. This scenario focuses on the helmet’s wearability and breathability during normal riding conditions.
2. Mountain Biking
Ride on rugged mountain trails and gravel paths to test helmet stability, comfort, and safety at higher speeds and during bumps. We simulate uphill, downhill, and sharp turns to evaluate how the helmet performs in complex environments.
3. Enduro Racing
Simulate an enduro racing scenario with high-intensity riding to assess the helmet’s ventilation and comfort during prolonged, vigorous activity. In this scenario, helmet fit, airflow, and comfort are the key factors tested during extended, intense rides.
4. Night Riding
For helmets equipped with integrated LED light strips and other lighting features, we test visibility in low-light conditions. Simulate night rides to evaluate the brightness, ease of use, and overall effectiveness of the helmet’s lighting system.
Through these tests, we have selected several models that we believe represent the best mountain bike helmets. Additionally, we also tested other cycling gear, such as the best bottle cages, the best road bike wheels, and the best mountain bike forks, to ensure that riders can enjoy the best experience in all aspects of cycling.
Final Thought
When choosing the best mountain bike helmet, it’s important to consider your riding needs and environment. Different helmet styles come with various design philosophies and technologies. Whether you prioritize maximum protection or lightweight ventilation, there’s a helmet out there that suits your needs, ensuring safety and comfort on every ride.