Choosing the best mountain bike helmet for kids ensures their safety during every ride. A good helmet protects young riders from head injuries and boosts their confidence on trails.
Kids need helmets that fit well, feel light, and offer strong protection. Features like MIPS technology and adjustable straps improve safety and comfort. Some helmets include visors to shield eyes from sun and dirt. Full-face helmets give extra protection for adventurous riders.
Durability and breathability also matter to keep kids cool and safe. This guide reviews top helmets like SMITH Wilder Jr, ROCKBROS Full Face, OnBros, Giro Tremor, and more. Each option suits different ages and riding styles. Choosing the right helmet helps kids enjoy mountain biking safely and confidently.
Smith Wilder Jr Childrens’ Cycling Helmet

The SMITH Wilder Jr Childrens’ Cycling Helmet is an ideal choice for young boys and girls who are active cyclists, especially those involved in mountain biking or outdoor biking activities. Designed specifically for youth with a small size, this helmet ensures a secure and comfortable fit, making it perfect for parents seeking reliable and lightweight impact protection for their children during biking adventures.
Pros:
- Incorporates advanced MIPS Technology for enhanced protection against rotational impacts.
- Lightweight design at just 1.05 pounds, reducing strain on young riders.
- Features an integrated visor to shield eyes from sun and debris.
- Durable construction with a stylish black finish suitable for both boys and girls.
- Compact dimensions (8.0 x 9.0 x 11.0 inches) that fit youth heads comfortably.
Cons:
- Available only in youth small size, limiting fit options for larger children.
- Black color may absorb more heat on sunny days compared to lighter colors.
The SMITH Wilder Jr helmet stands out with its incorporation of MIPS Technology, which provides an extra layer of safety by reducing rotational forces during impacts. This is particularly beneficial for young riders who are still developing their cycling skills and may be more prone to falls. The helmet’s lightweight design ensures that children can wear it comfortably for extended periods without feeling burdened, encouraging consistent use and better protection.
Additionally, the integrated visor is a thoughtful feature that protects young cyclists’ eyes from bright sunlight and flying debris, enhancing visibility and comfort on the trail or road. The helmet’s compact size and durable build make it a practical choice for parents looking for both safety and style in a children’s cycling helmet. Overall, the SMITH Wilder Jr helmet combines innovative safety features with kid-friendly design elements to promote safe and enjoyable cycling experiences for children.
Rockbros Kids Full Face Helmet

The ROCKBROS Kids Full Face Helmet is ideal for young riders aged 3 to 16 who enjoy activities such as mountain biking, BMX, skating, cycling, and scootering. This helmet is perfect for parents seeking a reliable, lightweight, and versatile safety solution to protect their children during various outdoor sports and recreational activities. Its full-face design offers comprehensive protection, making it especially suitable for more adventurous kids and youth who need extra coverage and durability.
Pros:
- Lightweight design at only 0.837 pounds ensures comfort during extended use
- Detachable components provide flexibility and ease of cleaning
- Full face coverage offers enhanced protection for high-impact activities like BMX and mountain biking
- Stylish black and orange color scheme appeals to both boys and girls
- Suitable for multiple sports, including cycling, skating, and scootering
Cons:
- May require careful sizing adjustments for smaller toddlers
- Full face design can feel bulky for casual riders
The ROCKBROS Kids Full Face Helmet features a robust yet lightweight construction that minimizes strain on the child’s neck while providing maximum protection. Its detachable parts make it easy to maintain hygiene, which is crucial for young users who often engage in outdoor activities. The helmet’s full-face design is engineered to absorb shocks effectively, reducing the risk of facial injuries during falls or collisions.
Additionally, the helmet’s versatility is a significant benefit, as it caters to a wide age range and various sports. Parents can confidently invest in this helmet knowing it will accommodate their child’s growth and evolving interests in cycling, skating, or scootering. The appealing black and orange aesthetic also ensures that kids feel excited to wear it, combining safety with style effortlessly.
Onbros Kids Bike Helmet

The OnBros Kids Bike Helmet is perfect for children aged 5 to 14 years who enjoy activities like biking, skateboarding, mountain scootering, and road cycling. This helmet is ideal for parents seeking a reliable, lightweight, and adjustable safety gear that ensures their child’s head is well-protected during outdoor adventures.
Pros:
- Lightweight design weighing only 0.396 pounds for comfortable wear over extended periods
- Adjustable size range of 50-57CM to fit growing children securely
- Includes a built-in visor to shield eyes from sunlight and debris
- Versatile use for multiple sports including biking, skateboarding, and scootering
- Durable construction ensuring long-lasting protection
- Bright A-Green color for high visibility and style
Cons:
- Limited color options might not appeal to all children
- Size adjustment may require adult assistance for younger kids
The OnBros Kids Bike Helmet boasts a well-thought-out design combining safety, comfort, and style. Its lightweight nature ensures that kids can wear it without feeling burdened, encouraging consistent use. The adjustable fit caters to a range of head sizes, making it a practical choice that grows with your child. The integrated visor adds an extra layer of protection by shielding eyes from the sun and potential hazards during outdoor activities.
Crafted by OnBros, this helmet meets the demands of active children engaging in various sports, from mountain scootering to road cycling. Its sturdy yet comfortable build gives parents peace of mind, knowing their child is protected without compromising mobility. The vibrant A-Green color enhances visibility, which is crucial for safety in busy or low-light environments. Overall, this helmet is a smart investment for any family prioritizing their child’s safety during active play.
Giro Tremor Bike Helmet

The Giro Tremor Bike Helmet – Kid’s Matte Black 47-54cm is ideal for young cyclists who require reliable head protection while enjoying their outdoor adventures. Perfect for children within the specified size range, this helmet offers a secure fit and peace of mind for parents seeking safety without compromising style. It is especially suitable for kids who are active in biking, scootering, or skateboarding.
Pros:
- Lightweight design at only 0.5 pounds for comfortable wear.
- Adjustable fit system accommodates head sizes from 47 to 54 cm.
- Durable Matte Black finish that is stylish and resistant to scratches.
- Compact dimensions (8.0 x 8.0 x 10.0 inches) for easy storage and transport.
- Trusted Giro brand known for quality bike helmets.
Cons:
- Limited color options with only Matte Black available.
- May not fit children outside the 47-54 cm head circumference range.
The Giro Tremor Bike Helmet features a well-engineered design that balances protection and comfort. Its lightweight construction ensures that children can wear it for extended periods without discomfort, encouraging consistent use. The adjustable sizing mechanism allows for a snug, customized fit, which enhances safety by preventing the helmet from shifting during rides.
Additionally, the helmet’s matte black color offers a sleek and modern look while maintaining durability against daily wear and tear. The compact dimensions make it easy for kids to carry or store the helmet when not in use. Overall, this helmet combines functionality with style, making it a smart choice for parents looking to keep their children safe during outdoor activities.
Natuway Toddler And Kids Full Face Helmet

The Natuway Toddler and Kids Full Face Helmet is ideal for parents seeking a reliable and safe helmet for children aged 3 to 12 years. Perfect for young riders involved in BMX, mountain biking, and multi-sport activities, this helmet provides full-face protection tailored to the smaller head circumference of toddlers and kids, ensuring both comfort and safety during outdoor adventures.
Pros:
- Full face protection designed specifically for children aged 3-12 years
- Detachable design for easy cleaning and versatility
- Lightweight at approximately 0.94 pounds for comfortable wear
- Attractive pink color suitable for both girls and boys
- Manufactured by DONG GUAN JIE CHI SPORTS EQUIPMENT CO., LTD, ensuring quality standards
Cons:
- Limited color options, primarily available in pink
- May not fit children outside the specified head circumference range
- Full face design might feel bulky for some younger kids
The Natuway Full Face Helmet boasts a carefully engineered design to provide comprehensive head coverage, making it highly effective for active children engaged in various biking and outdoor sports. Its detachable components allow for easy maintenance, ensuring hygiene and prolonged usability. Additionally, the helmet’s dimensions and lightweight build contribute to a snug yet comfortable fit, minimizing fatigue during extended use.
Beyond safety, this helmet offers practical benefits such as enhanced durability from quality manufacturing materials and a design that appeals to both boys and girls. The full-face coverage not only protects the head but also the face, reducing the risk of injury in case of falls or impacts. Overall, the Natuway Toddler and Kids Full Face Helmet is a dependable choice for parents prioritizing safety, comfort, and style for their young cyclists.
Sifvo Kids Bike Helmet

The Kids Helmet by SIFVO is perfect for parents seeking a reliable and stylish safety solution for children aged 5-14 who enjoy biking. Designed specifically for young boys and girls, this helmet provides an ideal fit with its adjustable size range of 50-57cm, ensuring comfort and security during every ride. If you want your child to have a lightweight, durable, and cool-looking helmet that encourages outdoor activity while prioritizing safety, this helmet is an excellent choice.
Pros:
- Lightweight design reduces neck strain and increases comfort during prolonged use.
- Adjustable sizing accommodates growing children, offering extended usability.
- Cool visor adds style and protects eyes from sun and debris.
- Durable construction ensures reliable protection in case of falls.
- Attractive Cool Ray color appeals to kids, making helmet-wearing fun.
Cons:
- May not fit children with smaller or larger head sizes outside the 50-57cm range.
- The visor, while stylish, could obstruct vision for some users depending on riding position.
The SIFVO Kids Bike Helmet stands out due to its thoughtful design tailored for youthful riders. Its adjustable fit system allows a snug and secure feel, preventing the helmet from shifting during vigorous biking activities. The lightweight materials used in the helmet’s construction help minimize fatigue, allowing children to enjoy longer rides with less discomfort. Additionally, the Cool Visor not only enhances the helmet’s aesthetic appeal but also serves a functional purpose by shielding young eyes from sunlight and potential flying debris, contributing to safer rides.
Beyond protection, this helmet encourages children to embrace outdoor physical activity by blending safety with style. The Cool Ray color option is vibrant and trendy, making helmet-wearing an exciting part of their biking experience. Its durable build ensures that even with regular use, the helmet maintains its protective qualities, giving parents peace of mind. Overall, the SIFVO Kids Helmet offers an excellent balance of comfort, safety, and style, making it a smart investment for any young cyclist.
Sifvo Kids Bike Helmet

The Kids Bike Helmet by SIFVO is perfect for children aged 6 and above who are enthusiastic about biking. Whether your child enjoys leisurely bike rides or more adventurous mountain biking, this lightweight and adjustable helmet is designed to keep them safe and comfortable. Parents looking for a reliable helmet that combines safety, style, and comfort will find this product ideal for their young bikers.
Pros:
- Lightweight design ensures comfort during long rides.
- Adjustable fit to accommodate growing children.
- Comes with a visor for added protection against sun and rain.
- Vibrant red color that appeals to both boys and girls.
Cons:
- Limited color options might not suit every child’s preference.
- Sizing may not fit smaller or larger head sizes outside the 52-58cm range.
The SIFVO Kids Helmet stands out with its thoughtful design and construction. The lightweight material not only offers comfort but also ensures that your child won’t feel burdened during their biking adventures. The inclusion of an adjustable strap means that the helmet can grow with your child, making it a long-lasting purchase. Additionally, the built-in visor is a practical feature that helps shield young riders from harsh sunlight and unexpected rain, enhancing the overall biking experience.
Safety is a paramount concern for parents, and this helmet does not disappoint. With its sturdy construction, it provides reliable protection, giving parents peace of mind. The helmet’s red color is both vibrant and visible, ensuring that children are easily seen by others, which is an added safety feature. However, the limited color options mean that children who prefer other colors might not find it to their liking. Despite this minor drawback, the SIFVO Kids Helmet remains an excellent choice for parents prioritizing their child’s safety and comfort.
Lixada Toddler Helmet Kids Cycling Helmet

The Lixada Toddler Helmet Kids Cycling Helmet is ideal for parents seeking a reliable and versatile protective gear for their children aged approximately 20.5 to 22 inches in head circumference. This helmet is perfect for young cyclists, skateboarders, and scooter riders who need comprehensive safety with comfort and adjustability.
Pros:
- Detachable full face design for enhanced protection and versatility.
- Adjustable sizing ensures a snug and comfortable fit as your child grows.
- Lightweight at just 0.992 pounds, reducing neck strain during extended use.
- Durable black and green color scheme that appeals to kids and offers visibility.
- Multi-sport functionality suitable for bicycle, skateboard, and scooter activities.
Cons:
- Dimensions may feel bulky for very young toddlers or smaller heads.
- Limited color options available, only in black and green.
The Lixada Toddler Helmet features a robust detachable full face component, which offers superior protection compared to standard helmets. This feature is especially beneficial for activities like skateboarding and scooter riding where facial injuries are a concern. The adjustable mechanism allows parents to easily customize the fit, ensuring the helmet stays secure without causing discomfort, which is essential for encouraging consistent use by children.
Additionally, the helmet’s lightweight design minimizes fatigue, allowing kids to wear it for longer periods without discomfort. Its multi-sport compatibility means families don’t need multiple helmets for different activities, making it a cost-effective and practical choice. Overall, the Lixada Toddler Helmet offers a combination of safety, comfort, and versatility tailored specifically for active children.
Giro Fixture Ii Mips Mountain Bike Helmet

The Giro Fixture II MIPS Mountain Bike Helmet is ideal for a wide range of riders including men, women, kids, and adults who seek reliable head protection during mountain biking adventures. Its universal fit (54–61 cm) and versatile design make it suitable for both casual cyclists and serious trail riders looking for safety, comfort, and style in one helmet.
Pros:
- MIPS technology for enhanced rotational impact protection
- Lightweight design at only 0.625 pounds for all-day comfort
- Universal adult sizing (54–61 cm) fits a wide range of users
- Matte Black/Grey Logo finish offers a sleek, modern look
- Durable construction from a trusted brand, Giro
- Good ventilation with multiple air vents for cooling during rides
Cons:
- May feel slightly bulky for riders preferring ultra-minimalist helmets
- Limited color options available in the Matte Black/Grey Logo variant
- Fit might be less precise for those outside the 54–61 cm head circumference range
The Giro Fixture II MIPS Mountain Bike Helmet features advanced MIPS (Multi-directional Impact Protection System) technology, which is designed to reduce rotational forces that can result from certain impacts. This system enhances rider safety significantly, making it a smart choice for those who prioritize protection without compromising on comfort. Its well-ventilated shell ensures that air circulates efficiently, keeping riders cool on even the most strenuous trails.
In addition to safety, the helmet’s lightweight construction means it can be worn comfortably for extended periods without causing neck strain. The adjustable fit system accommodates a broad range of head sizes, making it versatile for families or groups with different riders. Lastly, the helmet’s matte black and grey logo design offers a modern and understated aesthetic, allowing riders to look good while staying safe on their adventures.
Bell Sidetrack Ii Youth Bike Helmet

The BELL Sidetrack II Youth Bike Helmet is perfect for young cyclists who prioritize safety and style. Designed for kids with head sizes ranging from 50-57 cm, this helmet ensures a snug fit while providing comprehensive protection. Parents looking to ensure their child’s safety during biking adventures will find this helmet to be an essential investment.
Pros:
- Lightweight design enhances comfort during long rides.
- Universal Youth fit accommodates a wide range of head sizes.
- Matte Black color offers a sleek and stylish look.
- Durable construction ensures long-lasting use.
Cons:
- Limited color options may not appeal to all preferences.
- May not fit children with head sizes outside the 50-57 cm range.
The BELL Sidetrack II Youth Bike Helmet boasts a lightweight design, making it comfortable for children during extended rides. Its universal fit feature is particularly advantageous, as it caters to a wide range of head sizes, ensuring a secure and personalized fit for every young rider. The matte black color not only provides a stylish appearance but also easily matches any biking attire, making it a versatile choice for parents and children alike.
Constructed with durability in mind, this helmet is designed to withstand the rigors of frequent use, providing parents with peace of mind knowing their child is well-protected. While the limited color options might not cater to every child’s preference, the helmet’s overall safety features and comfort make it a worthwhile consideration for any young biking enthusiast.
Frequently Asked Questions
What Safety Features Do Kids’ Mountain Bike Helmets Offer?
Kids’ mountain bike helmets often include MIPS technology, impact-absorbing foam, and adjustable straps. These features protect against head injuries and provide a secure fit during rides. Some helmets also have integrated visors for sun and debris protection, enhancing overall safety for young riders.
How To Choose The Right Size Helmet For Kids?
Measure your child’s head circumference and compare it to helmet size charts. Helmets like Giro Tremor and OnBros offer adjustable fits for different head sizes. Proper sizing ensures comfort and maximum protection, preventing the helmet from shifting or falling off during activity.
Are Full Face Helmets Better For Kids Mountain Biking?
Full face helmets provide extra protection for the face and chin, ideal for aggressive mountain biking or BMX. Models like ROCKBROS and Natuway offer detachable full face options. They are heavier but offer superior coverage, especially for more adventurous or older kids.
Can Kids Use Adult Mountain Bike Helmets Safely?
Adult helmets may not fit children properly and can compromise safety. Youth helmets, such as Bell Sidetrack II or SIFVO, are designed for smaller heads and better fit. Always choose helmets specifically made for kids to ensure adequate protection and comfort.
How Important Is Helmet Ventilation For Kids?
Good ventilation keeps kids cool and comfortable during rides. Helmets like SMITH Wilder Jr and Giro Fixture II include multiple vents to promote airflow. Proper ventilation reduces sweating and discomfort, encouraging kids to wear helmets consistently and safely.
What Maintenance Tips Extend A Kid’s Helmet Lifespan?
Inspect helmets regularly for cracks or damage. Clean with mild soap and water, avoiding harsh chemicals. Replace helmets after any crash or every few years, as materials degrade. Proper maintenance ensures helmets like Lixada or SIFVO continue offering reliable protection for kids.
Conclusion
Choosing the right mountain bike helmet for kids is important for their safety and comfort. Each helmet on this list offers strong protection and good fit for young riders. Features like adjustable straps, lightweight design, and visors help keep kids safe and comfortable.
Full face helmets provide extra coverage for more adventurous rides. It is best to pick a helmet that matches your child’s head size and riding style. Remember, a well-fitted helmet can prevent serious injuries during falls or accidents. Encourage your child to wear their helmet every time they ride.
Safety should always come first when enjoying mountain biking. With the helmets reviewed here, you can feel confident your child is protected. Happy and safe riding makes the experience more fun for everyone. Keep these helmets in mind when choosing gear for your young mountain biker.