The 10 Best Selling Kids Mountain Bike Helmet Review 2024

In this comprehensive review, I will guide you through kids’ mountain bike helmets, showcasing the best-selling options available today. Safety is paramount, and I’m here to help you make an informed decision on the best selling kids mountain bike helmet for your child’s protection.

Why a Quality Helmet Matters

Protecting Your Child’s Head

The human head is fragile, especially when it belongs to a child. A quality kids mountain bike helmet is the first line of defense against head injuries during a bike ride. It absorbs impact, reduces the risk of traumatic brain injuries, and provides much-needed peace of mind for parents.

Comfort for Endless Adventures

Kids are known for their boundless energy and enthusiasm. A comfortable kids mountain bike helmet ensures that your child can enjoy those long, adventurous rides without discomfort or distractions. A well-ventilated helmet keeps them cool, allowing them to focus on the trail ahead.

Key Features to Look For in Kids Mountain Bike Helmet

Size and Fit

Before purchasing any helmet, measure your child’s head circumference to determine the appropriate size. A snug, but not too tight, fit is crucial for safety.

Safety Certifications

Look for helmets that meet safety standards like CPSC, ASTM, and Snell. These certifications ensure that the helmet has passed rigorous safety tests.

Ventilation and Cooling

Mountain biking can get sweaty, so ventilation is essential. Helmets with multiple vents and moisture-wicking padding keep your child comfortable during rides.

Durability and Construction

Choose a helmet with a sturdy outer shell and an inner liner that absorbs impact. This combination offers better protection and a longer lifespan.

Style and Design

Kids love to show off their personalities, so pick a helmet with a design or color that resonates with your child. This will make them more likely to wear it willingly.

Our Top Picks

1. Mongoose Title Full Face Team Issue Bike Helmet

Mongoose Title Bike Helmet

The Mongoose Title Full Face Team Issue Bike Helmet is a game-changer when it comes to safety and comfort. Designed to provide next-level protection, this helmet is packed with features that every rider will appreciate.

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Key Features:

  1. Certified Safety: The Mongoose Title helmet meets the highest safety standards, certified CPSC 1203 for biking and ASTM F1952 for downhill riding. With this helmet, you can ride with confidence, knowing you’re well-protected.
  2. Durable Construction: Crafted with a tough ABS outer shell and lightweight EPS foam, this helmet offers maximum protection and durability. It can withstand the rigors of your adventures, ensuring long-lasting performance.
  3. Cool and Comfortable: Stay cool during your rides with the 10 strategically placed air vents that provide excellent ventilation. No more discomfort from overheating on the trail.
  4. 360° Comfort: The full-coverage interior padding offers unmatched comfort. It wraps around your head, providing a snug and comfortable fit. What’s more, it’s removable and washable for easy maintenance.
  5. Secure Fit: The side clasp buckle ensures a secure fit, so you can focus on the ride without worrying about your helmet shifting.
  6. Goggle-Strap Channel: Keep your goggles securely in place with the integrated goggle-strap channel. Say goodbye to annoying slippage during your downhill adventures.
  7. Sun and Weather Protection: The pivoting visor not only shields your eyes from the sun but also provides protection from wind and rain, enhancing your overall riding experience.

This Mongoose Title helmet not only complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older but also meets ASTM Standard F1952 for downhill riding. It’s the ultimate choice for riders who demand top-notch safety and comfort.

The Mongoose Title Full Face Team Issue Bike Helmet is a must-have for riders seeking the best in safety and performance. Its certified protection, durable construction, and thoughtful features make it a top contender in the world of bike helmets.

2. OutdoorMaster Gem Recreational MIPS Cycling Helmet

OutdoorMaster Gem Recreational bike helmet

The OutdoorMaster Gem Recreational MIPS Cycling Helmet is a standout choice for cyclists seeking enhanced safety and comfort. This helmet boasts several key features that make it a top contender in the cycling world.

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Key Features:

  1. MIPS Safety: The MIPS system integrated into this helmet takes safety to the next level. Designed to reduce harmful rotational forces during certain impacts, it provides added protection for riders. Your safety is a top priority with the OutdoorMaster Gem.
  2. Double Adjustment: Achieving the perfect fit is essential for comfort and safety. With two different thickness liners (0.23 and 0.31 inches) and an easy-to-use adjustment dial, this helmet offers flexibility to accommodate different cycling glasses and head shapes, all while avoiding hair pull.
  3. Unmatched Comfort: The removable visor and skin-friendly adjustable chin strap ensure a comfortable and snug fit. Say goodbye to discomfort and hello to an enjoyable riding experience.
  4. Multi-Sport Versatility: Whether you’re into skating, cycling, BMX, or mountain biking, this helmet has got you covered. Equipped with 25 individual vents, it provides next-level ventilation, making it ideal for a range of sports activities.
  5. Complete Package: When you choose the OutdoorMaster Gem MIPS bike helmet, you not only get the helmet itself but also two removable liners for added customization. Plus, OutdoorMaster offers exceptional customer service to assist with any questions or concerns.

With features like a reinforced PC shell and shock-absorbing EPS foam, this helmet is engineered to keep you safe during your rides. It’s a comprehensive package of safety, comfort, and versatility.

In summary, the OutdoorMaster Gem Recreational MIPS Cycling Helmet is a top pick for cyclists of all levels. Its MIPS safety technology, double adjustment system, and multi-sport versatility make it a fantastic choice for those seeking the best in helmet performance.

3. ROCKBROS Kids Full Face Bike Helmet

RockBros Kids Full Face bike helmet


The ROCKBROS Kids Full Face Bike Helmet is a versatile and safety-focused choice for young riders, offering a range of features that prioritize comfort and protection.

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Key Features:

  1. Adjustable Fit: This helmet is designed with kids in mind, offering an adjustable turning knob and straps. It comes in two sizes, ensuring a perfect fit for boys and girls aged 3-15 years. With sizes S (48-53cm) and M (53-58cm), you can trust that it will grow with your child.
  2. Functional Design: What sets this helmet apart is its 2-in-1 detachable full-face feature. It easily converts between a half helmet and a full-face helmet, making it suitable for various outdoor activities such as biking, skateboarding, roller skating, scooter riding, and more.
  3. Lightweight and Comfortable: Weighing in at just 14.4 ounces (0.9 pounds), this toddler helmet won’t weigh your child down. Its 12 large vent holes promote airflow, reducing sweat and discomfort during intense cycling sessions.
  4. Safety First: The helmet is constructed with tough and durable PVC, combined with EPS foam. This combination absorbs impacts and shields your child’s head from harm. The soft, fully adjustable straps and quick-release clip ensure a secure fit without causing face scratches or abrasions.
  5. Perfect Gift: With three different style options available, this helmet makes a fantastic gift for birthdays, Thanksgiving, and Christmas. It’s a thoughtful present that combines safety and style.

The ROCKBROS Kids Full Face Bike Helmet is a reliable choice for parents looking to ensure their child’s safety during outdoor adventures. Its adjustable fit, versatile design, lightweight construction, and thoughtful safety features make it an excellent investment for young riders.

4. Smith Optics Wilder Jr. MIPS Mountain Cycling Helmet

Smith Optics Wilder MTB bike helmet

The Smith Optics Wilder Jr. MIPS Mountain Cycling Helmet is the perfect companion for young riders who are passionate about conquering the trails. Packed with advanced features and cutting-edge technology, this helmet ensures your child’s safety and comfort while they explore the great outdoors.

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Key Features:

  1. MIPS Brain Protection System: This helmet is equipped with MIPS, which stands for Multi-directional Impact Protection System. It’s designed to reduce rotational forces caused by angled impacts to the head, offering enhanced protection in case of accidents.
  2. VaporFit Dial Adjustment: The VaporFit dial system allows for a 270-degree fit adjustment with the simple turn of a dial. This ensures that your child gets a secure and comfortable fit every time they put on the helmet.
  3. Integration with Smith Performance Eyewear: The Wilder Jr. helmet is engineered to integrate seamlessly with Smith performance eyewear and goggles, providing maximum comfort, venting, and storage convenience. Say goodbye to foggy lenses during your child’s adventures.
  4. Optimal Ventilation: With 20 fixed vents, this helmet ensures consistent airflow, keeping your young rider cool and comfortable even during intense rides.
  5. Lightweight and Comfortable: The helmet features a lightweight in-mold construction and a performance comfort lining. It’s designed for minimal bulk and maximum comfort, so your child can focus on their ride.
  6. Integrated Visor and Sunglasses Storage: The built-in visor helps cut glare, and there’s integrated storage for sunglasses, so your child can keep their eyewear secure and accessible.
  7. Certified Safety: This helmet is CPSC and CE EN 1078 certified, meeting the highest safety standards to give you peace of mind.

In summary, the Smith Optics Wilder Jr. MIPS Mountain Cycling Helmet is the ultimate choice for young riders who demand the best in safety, comfort, and performance. With features like MIPS technology, easy fit adjustment, and integration with eyewear, it’s a helmet that keeps up with the most dedicated young trailblazers.

5. SIFVO Kids Bike Helmet

SIFVO MB kids helmet

The SIFVO Kids Bike Helmet is a top-tier choice for parents who prioritize safety, comfort, and versatility when it comes to their children’s outdoor activities. Packed with remarkable features, this helmet ensures your child’s protection while keeping them cool and comfortable during their adventures.

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Key Features:

  1. Reliable Security: This kids’ helmet combines a sturdy PC shell with an impact-resistant EPS core, creating a durable and secure structure. It is CE and CPSC dual-certified, meeting rigorous safety standards to provide trustworthy protection.
  2. 360° Protection: The full-coverage design of this bike helmet offers all-around protection, including the back of the head. It’s suitable for a wide range of sports activities, making it a versatile choice.
  3. Cool Visor: The removable visor serves a dual purpose, shielding children’s eyes from direct sunlight and their faces from tree branches without obstructing their view.
  4. Great Fit: With two adjustable positions, children can easily snap on/off and adjust the helmet to find their most comfortable fit. It empowers kids to take charge of their safety.
  5. Excellent Ventilation: Equipped with 15 ventilation holes, this helmet creates a perfect air circulation system. It reduces air resistance during various sports and ensures that your child’s head remains cool and comfortable at all times.
  6. Integrated Molding Technology: The sturdy PC shell and thickened EPS core are seamlessly bonded together using advanced integrated molding technology. This ensures the helmet’s structural integrity, providing long-lasting protection.

The SIFVO Kids Bike Helmet is the epitome of safety, comfort, and versatility. Its impressive features, including reliable security, full coverage protection, a removable visor, and excellent ventilation, make it an excellent choice for active youngsters. With this helmet, you can rest easy knowing your child is well-protected during their outdoor adventures.

6. SMITH Engage MTB Cycling Helmet

Smith Engage MTB helmet

The SMITH Engage MTB Cycling Helmet is your ultimate partner on the trails, built to conquer any terrain with confidence. Packed with advanced features, this helmet ensures both safety and comfort, making it a top choice for mountain biking enthusiasts.

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Key Features:

  1. Versatile Trail Performance: Whether you’re navigating big berms, rock gardens, or flowy rollers, the Smith Engage helmet is up for the challenge. It provides the confidence you need to tackle any trail.
  2. Advanced Protection: At its core, this helmet features zonal Koroyd coverage, offering lightweight, energy-absorbing, and well-ventilated impact protection. It’s also equipped with the MIPS Safety Protection System for added safety assurance. Additionally, it’s CPSC and CE EN 1078 certified to meet the highest safety standards.
  3. Cool and Clear: With 20 fixed vents, consistent airflow is guaranteed, keeping you cool during intense rides. The Ionic+ lining provides sweat-activated odor control, and the low-bulk single-layer webbing ensures your glasses or goggles stay clear, eliminating the hassle of foggy lenses.
  4. Adjustable Fit: Achieving a comfortable and secure fit is effortless with this helmet. It’s designed for easy adjustments, and the visor can be set in two positions for optimal visibility.
  5. Born from Innovation: Smith, a renowned performance eyewear and helmet brand, has been inspiring outdoor enthusiasts since 1965. Their commitment to innovation and quality is evident in the Engage MTB Cycling Helmet.

The SMITH Engage MTB Cycling Helmet is a true trailblazer. Its advanced protection, excellent ventilation, and commitment to innovation make it an ideal choice for mountain biking. With this helmet, you can ride with confidence, knowing that you’re well-equipped to take on any trail, no matter how challenging.

7. Extremus Aerolander Mountain Bike Helmet

Extremus Aerolander helmet


The Extremus Aerolander Mountain Bike Helmet stands out as an exceptional choice for cyclists seeking top-tier protection and comfort. This helmet boasts a range of features that make it an ideal companion for your outdoor adventures.

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Key Features:

  1. One-Piece Construction: Unlike traditional glued-together helmets, the Extremus helmet features a one-piece construction with a shock-absorbing PC material outer shell and EPS inner foam. This design ensures durability and safety, providing all-around head protection while keeping the helmet lightweight.
  2. Quick Dry Cooling System & Shock Shield Technology: The helmet is equipped with a Quick Dry Cooling System that combines mesh pads with sponge material for improved comfort and sweat absorption. Additionally, the Shock Shield Technology features a specially engineered silicone cushion, enhancing shock absorption during collisions.
  3. Aerodynamic Ventilation System: With 16 aerodynamic 3D vents and 3 extra vents on the forehead section, this helmet maximizes airflow, preventing overheating, and increasing aerodynamic efficiency while maintaining security.
  4. Size Adjustable Dial + Safety Lights: The convenient size adjustable dial allows for easy, one-handed adjustments for a perfect fit. The integrated dial also includes a red rear safety light with three lighting modes: slow flash indicator, fast flash SOS, and normal night mode.
  5. Multifunctional Design: The helmet includes a thick detachable sun visor, providing extra sunshade and protection from overhead branches during rides. The visor can be easily attached or detached. The soft protective interior liners are removable and washable, ensuring hygiene between rides. It’s perfect for various sports like cycling, biking, skateboarding, rollerblading, or scootering.
  6. Reliable Security and 360° Protection: The full-coverage design of this helmet offers comprehensive protection, including the back of the head. It’s suitable for a wide range of sports, providing peace of mind.
  7. Detachable Large Sun Visor: This helmet comes with a visor suitable for mountain biking and can be used without the visor for road biking. The visor design is larger than many others, offering enhanced sunshade.
  8. Adjustable Size: Available in two sizes, this universal adult/youth bike helmet caters to both men and women. Choose from S/M (54-58cm head circumference) and M/L (58-61cm head circumference) for a perfect fit.

The Extremus Aerolander Mountain Bike Helmet is a versatile and safety-focused choice. Its advanced features, durable construction, and adjustable design make it an ideal companion for riders of all levels.

8. OnBros Kids Bike Helmet

OnBros Kids MTB helmet

The OnBros Kids Bike Helmet is the perfect safety companion for young riders, offering a range of features that prioritize comfort and protection.

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Key Features:

  1. Helmet Fit System: This kids’ bike helmet is designed with a round adjuster on the back, allowing for easy customization to fit the helmet snugly to your child’s head. With a size range from 50-57cm (19.65 – 22.45 inches), it’s suitable for children aged 5-8 and 8-14.
  2. Lightweight and Comfortable: OnBros knows that comfort is crucial, and that’s why this helmet features a soft lining and 15 vents to ensure proper airflow and keep your child cool. The helmet weighs a mere 180g, ensuring it doesn’t add unnecessary burden during sports.
  3. Removable Visor: The helmet comes with a removable visor that can be adjusted to your child’s needs. Whether they’re skateboarding, roller skating, or cycling, this helmet is versatile and adaptable.
  4. Safety First: Safety is paramount, and this preteen helmet is constructed with PC and EPS materials. Its extended rear end provides all-around protection. It boasts both CPSC and CE certifications, meeting the highest safety standards.
  5. After Sales Support: OnBros takes pride in its excellent customer service. If you encounter any quality issues with the children’s helmet or if it’s damaged due to an accident, their dedicated support team is ready to assist you promptly.
  6. Breathable Design: With 15 vents, this helmet ensures your child’s head stays cool and prevents stuffiness during rides.
  7. Removable Inner Padding: The foam inner padding can be easily removed for drying or cleaning, ensuring hygiene and comfort.
  8. Adjustable: The round adjuster at the back of the helmet, along with the adjustable chin strap, makes it effortless to customize the helmet to the perfect size.
  9. Sun Visor: The included sun visor helps protect your child’s eyes from direct sunlight and can be easily removed if not needed.

In summary, the OnBros Kids Bike Helmet is a reliable choice for parents who prioritize safety and comfort. Its adjustable fit, removable visor, lightweight design, and safety certifications make it an excellent investment for young riders. Let your child explore the world of outdoor activities with confidence, knowing they’re protected by OnBros.

9. Giro Fixture MIPS Mountain Bike Helmet

Giro Fixture MIPS bike helmet

The Giro Fixture MIPS Mountain Bike Helmet is the ultimate choice for riders seeking market-leading protection and innovative features. This helmet offers a range of key features that ensure both safety and comfort during your outdoor adventures.

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Key Features:

  1. Integrated MIPS: Giro has incorporated the Multi-Directional Impact Protection System (MIPS), redirecting energy in the event of a crash. This innovative technology enhances your head’s protection, providing peace of mind on the trails.
  2. Reflective Details: Safety is a top priority, especially in low-light conditions. The helmet features reflective details that enhance visibility when illuminated by light sources, such as headlights. This ensures you remain visible to others, enhancing safety during nighttime rides.
  3. Rugged Construction: The helmet is built with in-molding construction, ensuring its durability and longevity. It can withstand the rigors of off-road adventures while maintaining its structural integrity.
  4. Universal Youth Fit Sizing: The Fixture MIPS offers a universal youth fit straight out of the box. It’s designed to accommodate a range of head sizes, making it suitable for a broad spectrum of riders.

This updated helmet boasts a redesigned silhouette, an improved MIPS integration, and enhanced cooling capabilities. Whether you’re embarking on an off-road adventure or a leisurely ride, the Fixture MIPS delivers the perfect blend of value, performance, and timeless design.

Additional Features:

  • In-Mold Construction: Ensures a lightweight yet robust build.
  • Roc-Loc Sport Fit System: Provides a simple and durable fit system for your convenience.
  • 18 Vents: Enhance airflow and keep your head cool during rides.
  • Weight: Weighing in at just 343g, it’s designed for comfort during extended rides.
  • One Size Fits Most: Ensures a versatile fit for a wide range of riders.

The Giro Fixture MIPS Mountain Bike Helmet combines cutting-edge technology, rugged construction, and a universal fit to create a top-tier helmet for all riders. Stay protected and comfortable on your cycling adventures with this exceptional helmet from Giro.

10. Zefal ProSport Youth Bike Helmet

Zefal ProSport bike helmet

The Zefal ProSport Youth Bike Helmet is the ultimate choice for young riders seeking safety, comfort, and versatility in one sleek package. This helmet is designed to keep your child protected during a wide range of sports, making it a versatile choice for active youngsters.

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Key Features:

  1. Great for Many Sports: Whether it’s biking, cycling, rollerskating, rollerblading, skateboarding, BMX, mountain biking, electric bikes, or scooters, this helmet has you covered. It’s a true all-rounder for active kids.
  2. Up to Safety Standards: Safety is paramount, and this helmet complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. It’s constructed with EVS foam and features an in-mold polycarbonate shell for maximum protection.
  3. Massive Airflow: The helmet boasts 11 extra-large cooling vents, ensuring optimal airflow and comfort. You won’t have to worry about overheating during your adventures.
  4. Universal Fit: Designed for youth aged 8 and older, this helmet offers a universal fit. The adjustable dial at the back allows for a customized fit, and the super-soft, padded, and removable helmet liner can be machine washed for easy cleaning.
  5. Extra Strong and Light: The helmet is constructed with single bonded construction, enhancing protection while remaining remarkably lightweight. The front visor adds extra sun protection and keeps glare out of your eyes.
  6. Dial Fit System: The helmets dial fit system and adjustable straps ensure a secure and comfortable fit for each individual head shape.
  7. Fashionable Design: The ProSport helmet not only provides top-notch safety but also looks cool. It’s suitable for both boys and girls, making it a stylish choice for young riders.

The Zefal ProSport Youth Bike Helmet is a reliable and versatile choice for active youngsters. It meets safety standards, provides ample ventilation, and offers a comfortable and secure fit. Whether your child is cycling, skating, or engaging in other outdoor activities, this helmet ensures they stay protected and stylish throughout their adventures.

Helmet Maintenance

Cleaning and Care

Regularly clean the helmet with mild soap and water. Avoid harsh chemicals or abrasive scrubbing, as they can damage the shell.

When to Replace

Replace the helmet if it has been involved in a crash or shows signs of wear and tear. Helmets are designed for single-impact use.

Choosing the Right Helmet for Your Child

Age and Head Size

Select a kids mountain bike helmet suitable for your child’s age and head size. Refer to the manufacturer’s sizing chart for guidance.

Riding Style and Terrain

Consider where and how your child rides. Different terrains may require specific helmet features, such as extra protection for downhill trails.

Personal Preferences

Involve your child in the decision-making process. Let them choose a helmet they love, as they are more likely to wear it willingly.

Expert Tips for a Safe Ride

Proper Helmet Positioning

Ensure the helmet sits level on your child’s head, with the front edge just above their eyebrows. The straps should form a V-shape under their ears.

Helmet Safety Checks

Regularly inspect the kids mountain bike helmet for any cracks, dents, or loose components. If you find any issues, replace the helmet immediately.

Setting a Good Example

Wear your own helmet when riding with your child. Being a role model reinforces the importance of safety.


Selecting the best-selling kids mountain bike helmet involves a balance of safety, comfort, and personal style. Remember that a quality kids mountain bike helmet is a small investment in your child’s safety and enjoyment of biking adventures. With the right choice, you can have peace of mind while your young rider explores the great outdoors.

FAQs: Common Helmet Questions Answered

1. How tight should the helmet be?

The kids mountain bike helmet should fit snugly, with no gaps between the helmet and your child’s head. It should not be uncomfortably tight but secure enough that it doesn’t move when gently pushed.

2. Can my child wear a bike helmet for other activities?

While bike helmets are primarily designed for biking, they can be used for activities like skating and scooting. Ensure they meet relevant safety standards for those activities.

3. What are MIPS helmets, and are they worth it?

MIPS (Multi-directional Impact Protection System) helmets provide enhanced protection against rotational forces during impacts. They offer an added layer of safety and are worth considering for active kids.

4. Are all helmets safe for all types of riding?

Not all helmets are created equal. Some are specifically designed for certain types of riding, like mountain biking or BMX. Choose a helmet that matches your child’s riding style.

5. What’s the right way to measure my child’s head for a helmet?

Measure the circumference of your child’s head just above the eyebrows and ears using a flexible tape measure. Refer to the manufacturer’s sizing chart for the appropriate kids mountain bike helmet size.

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Mason Adams

Mason Adams is a dedicated young dad whose top priorities are his family and cycling. Sharing the joy of biking with his kids is his favorite pastime, as he teaches them balance and steering on their first bikes. Mason believes cycling builds confidence, coordination, and unforgettable family memories.

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