Best Mountain Bike Helmets for Kids – Amazon Bestsellers


If you have purchased a bike for your kid then you might want to check this list with best mountain bike helmets for kids, all Amazon bestsellers.

A head injury is a serious thing for anybody and for kids in particular, so check some of the helmets here, they are popular with all good reasons.

There are several organizations that test bike helmets and you will see some of them mentioned in the features of the helmets in the list. These include CPSC, the Consumer Product Safety Committee, and ASTM, the American Society for Testing & Materials.

So make sure that the helmet you choose is indeed certified, there should be a label or tag inside the helmet. Note that ASTM certificate is completely voluntary, so having it is a bonus.

Some of the helmets have MIPS in the feature list, so if you are not familiar, this means the Multi-directional Impact Protection System, designed to help lessen the impact effects. This is a new technology and you will not see it in just every helmet.

The design of these items is such that you have adjustable chin straps, padded inserts, or even dials, so in most cases the kid will be able to find the best combination and fit. The helmet should not tilt or slide forward to obstructs the view. Usually, the helmets include a sizing guide as well.

Note that there are differences in the prices, but this does not necessarily mean that cheap helmets are less protective. This is more about design details and style. But they are all very affordable in general. You might want to give your kid an example, so check our list with bike helmets for adults. See also our list with electric motorcycles for kids with some amazing models.

So now have a look at our list with the best mountain bike helmets for kids available on Amazon, you will see what makes them so popular, some have a huge number of reviews, and some are Amazon Prime items:

Bestseller No. 1
Kids Helmet, SIFVO Kids Bike Helmet Boys and Girls Bike Helmet with Cool Visor Helmet for Kids 5-14, Kids Bike Helmets Youth Bike Helmet Adjustable & Lightweight 50-57cm (B Starry Sky【hot】)
1,365 Reviews
Kids Helmet, SIFVO Kids Bike Helmet Boys and Girls Bike Helmet with Cool Visor Helmet for Kids 5-14, Kids Bike Helmets Youth Bike Helmet Adjustable & Lightweight 50-57cm (B Starry Sky【hot】)
  • 【RELIABLE SECURITY】The kids helmet uses advanced technology to tightly combine sturdy PC shell with impact resistant EPS, making the helmet safer and more durable. Trustworthy CE+CPSC dual certification
  • 【360° PROTECTION】The full-coverage construction of this kids bike helmet provides all-round protection for children's heads including the back of the head. Suitable for a wide range of sports types
  • 【COOL VISOR】The removable visor protects the children's eyes from direct sunlight and the skin of their faces from being scratched by tree branches while not blocking the view
  • 【GREAT FIT】This bike helmets for kids has two adjustable positions. Children can easily snap on/of and adjust it by themselves to find their most comfortable state
  • 【EXCELLENT VENTILATION】15 vents create a perfect air circulation system for this girls and boys bike helmet which help to reduce air resistance during multi-sports and keep the head cool and comfortable at all times
Bestseller No. 2
Kids Bike Helmet, SIFVO Kids Helmet 8+ Boys and Girls Bike Helmet with Cool Visor, Bike Helmets for Kids, Youth Bike Helmet Kids Mountain Bike Helmet Lightweight and Sturdy【55-58cm】
236 Reviews
Kids Bike Helmet, SIFVO Kids Helmet 8+ Boys and Girls Bike Helmet with Cool Visor, Bike Helmets for Kids, Youth Bike Helmet Kids Mountain Bike Helmet Lightweight and Sturdy【55-58cm】
  • 【RELIABLE SECURITY】 The kids helmet uses advanced technology to tightly combine sturdy PC shell with impact resistant EPS, making the helmet safer and more durable. Trustworthy CE+CPSC dual certification
  • 【360° PROTECTION】The full-coverage construction of this kids bike helmet provides all-round protection for children's heads including the back of the head. Suitable for a wide range of sports types
  • 【COOL VISOR】The removable visor protects the children's eyes from direct sunlight and the skin of their faces from being scratched by tree branches while not blocking the view
  • 【GREAT FIT】This helmet for kids has three adjustable positions. Children can easily snap on/of and adjust it by themselves to find their most comfortable state
  • 【EXCELLENT VENTILATION】21 vents create a perfect air circulation system for this girls and boys bike helmet which help to reduce air resistance during multi-sports and keep the head cool and comfortable at all times
SaleBestseller No. 3
ROCKBROS Kids Full Face Bike Helmet Lightweight Toddlers Helmets Kids Mountain Bike Helmets Ages 5-14 Anti-Collision Detachable Chin Kids Helmet for BMX Skateboard Scooter
  • ★ADJUSTABLE FIT: Our kids bike helmet have two size S: 18.9-20.8inch(48-53cm) , M: 20.9-22.8inch (53-58 cm) , come with an adjustable helmet turning knob and adjustable straps which makes it flexible to fit perfectly for boys and girls 3-15 years old.
  • ★FUNCTIONAL: 2 IN 1 detachable full face mountain bike helmet , can free conversion between half helmet and full face helmet . Suitable for a variety of children's outdoor activities , such as bicycles,tricycle,skateboarding,roller skating,inline skates,scooter,rollerblading,etc.
  • ★LIGHTWEIGHT AND COMFORTABLE: The toddler helmets (14.4oz 0.9lb ) is lightweight with 12 big vent holes provide cooling air flow, Effectively reduce air resistance and reduce sweating when kids are cycling hard.
  • ★SAFETY KIDS BIKE HELMET:The material of toddlers mountain bike helmet constituted by tough and durable PVC & EPS foam which would help absorb the impact and protect your kids head during impact . The soft straps are fully adjustable and the quick-release clip keeps the helmet securely in place without risk of face scratches or abrasions.
  • ★PERFECT GIFT & MONEY BACK : Our Kids cycling helmet have 3 different style , this is the perfect gift for children on Birthday, Thanksgiving and Christmas. We strive to guarantee the customer satisfaction with our BMX helmet and promise 3-MONTH money back guarantee! If you have any questions, please do not hesitate to contact us.
Bestseller No. 4
Giro Tremor Bike Helmet - Kid's Matte Black 47-54cm
  • Reflectivity
  • In mold construction
  • Full hardbody shell
  • Removable Visor
  • Roc Loc Sport
SaleBestseller No. 5
OnBros Kids Bike Helmet - Bike Helmet for 5-14 Boys or Girls with Visor, Children Bicycle Helmet for Skateboard Mountain Scooter Road Cycling, Lightweight and Adjustable 50-57CM (Rainbow1)
219 Reviews
OnBros Kids Bike Helmet - Bike Helmet for 5-14 Boys or Girls with Visor, Children Bicycle Helmet for Skateboard Mountain Scooter Road Cycling, Lightweight and Adjustable 50-57CM (Rainbow1)
  • Helmet Fit System: The kids bike helmets have a round adjuster on the back, which can be toggled to fit the helmet to the head, the size of the bicycle helmet ranges from 50-57cm/19.65 - 22.45 inches, kids bike helmets ages 5-8 8-14.
  • Lightweight Comfortable Helmet: boys and girls bike helmets for kids 8-14 5-8 has a soft lining and the kids helmet is designed with 15 vents to keep cool. The child's bike helmet weighs just 240g, so it's not an extra burden when it comes to sports.
  • Helmet for Bicycle with Removable Visor:The girls and boys bike helmet has a removable visor that can be removed at any time to suit your needs, suitable for skateboarding, roller skating, cycling and other outdoor recreation.
  • Safety Youth Bike Helmet: This preteen helmet for kids 8-14 5-8 is made of PC and EPS together, with an extended rear end for all-round protection. This universal youth bike helmet has both CPSC and CE certification.
  • After Sales Support: We offer excellent customer service, if there is any quality problem with the children's helmet or if the helmet is damaged due to an accident, please feel free to contact us and we will be there to help you at the first opportunity.
SaleBestseller No. 6
Rock BROS Kids Bike Helmet Toddler Full Face Helmet Detachable Ultralight Mountain Bike Cycling Helmet for BMX Bicycle, Skateboard, Scooter, Child Safety Helmet Protective Gear CE Certified
  • 【Safety Kids Bike Helmet】 Our child’s helmet made of Durable hard PC shell and high-density EPS foam,removable soft inner padding, multiple protection & shock absorption.Take full care of your child's head safety.What’s more, this helmets provide professional protection for children through CE safety certification,Please be assured that it will protect your child's head like Superman
  • 【Lightweight & Breathable】This bike helmet design with 12 large vents, use breathable and comfortable foam material.Effectively reduce air resistance and reduce sweating, Are you still worried that the child is too stuffy and uncomfortable to wear a helmet? This full face helmet is so breathable and comfortable that your child will love it; Moreover, the helmet’s light only 13.4 oz (0.84 lb) protects cervical spine and will not cause any burden to the head
  • 【2 IN 1 Detachable Helmet】ROCK BROS Kids Cycling Helmet can free conversion between half helmet and full face helmet at any time, The Bicycle helmet with removable chin guard, the chin guard is easy to remove with a button. So when it is just an ordinary leisure ride, you can easily remove the chin guard
  • 【Upgrade Adjustable System】Our safety helmets have two size S: 19.7-21.3inch(50-54cm) M: 21.3-22.8inch(54-58cm) adjustable, which suits most 3-15 years old children head circumference. What’s more, there is 360 °adjustable buckle at the back, you can quickly adjust the size, the nylon belts are also easy to adjust
  • 【Suitable for Multiple Scene】This would be a greatful and meaningful gift for your child, the kids bike helmet will make your child develop love for for sports, become more active and cheerful.Our full face helmet will play great protective function while your child are cycling, skating skateboarding, roller skating, inline skate, scooter, rollerblading, longboard and two wheel electronic board,minibike riding and more sports
Bestseller No. 7
Kids Full Face Helmets, Kids Bike Helmet MTB Mountain BMX Multi-Sport Detachable Helmet from Toddler to Youth, Suggest Age 5-12 Years CPSC Certificated (Pink)
  • 【❤ KIDS SAFE GUARD】: this CPSC-certified helmet is adopting firm "IN MOLD" structure, which is light and shock-absorbed.hot pressing shell on the high density foam . not like other common ones use tape or glue. The full face helmet take care of children’s head and chin. No chin damage, no more trips to Urgent Care, provide extra protection.
  • 【❤ FUN COLOR MATCHING DESIGN】: Natuway is lead of using 3D technology and color matching on the helmet to catch children's eyes, standing out in the bland helmet. makes your preschool kids or toddler WANT to wear their fun helmets while cycling or on their roller skate, scooter and blance bike BMX . Boys and girls will LOVE the cool looking.keep them extra safe.
  • 【❤ 2 IN 1 Helmet】Half helmet and full helmet transform freely. The chin bar easily detached and equipped via moving both side of button.Half helmet is better suited to slow sports like cycling scooter...... full helmet is may apply to younger kids outdoor sports , very amazing look.Very secure and highly protective.
  • 【❤ Adjust from SIZE】ADJUSTS from (21.25-22.05in suggest 5+ years old ) . Easily adjusts Vertically and Horizontally for a tight and snug fit due to its ADJUSTMENT SYSTEM with a FIT DIAL and adjustable straps Invest wisely with no worries.
  • 【❤ LIGHTWEIGHT& COMFORTABLE】In-Mold polycarbonate shell with EPS liner, the lightest option for helmets - approximately 14 oz for full helmet and 10 oz half helmet, without sacrificing safety, kids won’t feel tired after hours of wearing.
SaleBestseller No. 8
Fox Racing Youth Mainframe Mountain Bike Helmet, Black/Gold
  • Proven MIPS impact protection system reduces rotational forces in a crash by absorbing and redirecting energies and forces otherwise transmitted to the brain.
  • Extended converage for added safety
  • Optimized venting with channeled, in-molded EPS provides efficient cooling.
  • Removable, washable moisture wicking liner.
  • MIPS intergrated fit system reduces weight and provides a more comfotable seamless fit.
SaleBestseller No. 9
Zacro Kids Bike Helmet - Boys and Girls Youth Bike Helmets Fits Ages 5-8/8-14 Year Olds, Dial Fit Adjustment & Detachable Visor, Lightweight Bicycle Helmet for Mountain (Black)
60 Reviews
Zacro Kids Bike Helmet - Boys and Girls Youth Bike Helmets Fits Ages 5-8/8-14 Year Olds, Dial Fit Adjustment & Detachable Visor, Lightweight Bicycle Helmet for Mountain (Black)
  • Designed for Youth: This Zacro bike helmet is designed for youth. Suggested age range: 8-14 years old. Suggested head circumference: 21.25-22.44 inches. (please measure your head before purchasing.)
  • High-Performance Quality: The Zacro youth bike helmet is carefully constructed with an all-in-one polycarbonate solid PC shell and high-density shock-absorbing EPS foam, giving it excellent shock absorption and drop resistance, effectively reducing impact forces and providing you with the most reliable safety. Complies with U.S. CPSC Safety Standard for Bicycle Helmets.
  • Designed for Maximum Comfort: Featuring a special aerodynamic design, 18 vents circulate air, keeping your head cool and dry in hot conditions. What's more, our bike helmets are ultra-lightweight to reduce stress on your head even when worn for extended periods of time.
  • Removable Inner Pad and Visor: The visor comes with a youth bike helmet that can be easily and securely removed to help keep the sun out of your eyes and prevent rain from getting into your eyes while riding. The wrap-around padding increases comfort and is easy to clean as it is removable.
  • Adjustable and Fit: Thanks to its adjustable dial system and side straps, the bike helmet can accommodate heads of all sizes, with a custom fit and fit for most kids and Youths.Lightweight, breathable, and comfortable, suitable for cycling.
SaleBestseller No. 10
Road & Mountain Bike MTB Helmet for Youth Teenager Kids Boys Girls, with Removable Visor and Adjustable Dial (Blackish Green)
3,504 Reviews
Road & Mountain Bike MTB Helmet for Youth Teenager Kids Boys Girls, with Removable Visor and Adjustable Dial (Blackish Green)
  • The bicycle helmet is made of strong PC shell and high quality EPS foam, providing more safety with the integrated-moulding technology. Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 5 and Older.
  • Size L is 56-61 cm (22-24 inch), suitable for adult, men, women. Size M is 54-58 cm (21.2-22.8 inch), suitable for youth, teen, kids. Chin straps and rear dial adjustment are easy to adjust for custom fit.
  • The bicycle helmet is designed for various road & mountain bicycle activities, especially for enduro and trail. By detaching the visor, it is suitable for commuter bike in city and urban.
  • Lightweight material and 16 vents keep user cool during long-distance cycling. Soft inner sponge pads inside the helmet, chin straps and chin pad provide more comfortable user experience.
  • Detachable visor is easy to remove or install. Package includes 1 helmet & 1 carrying bag.
Bestseller No. 11
Kali Protectives Chakra Child Bicycle Helmet; Mountain in-Mould Mountain Bike Helmet for Child Equipped with an Integrated Visor; Dial Fit Closure System; with 21 Vents (X-Small, Sprinkles Pink)
  • Your Kid's Safety is A Priority: Our Chakra Child helmet for kids has an integrated visor for protecting the eyes from sunlight. The Dial Fit Retention System in our helmet aids easy adjustment and a secure fit
  • Qualified Material For A Comfortable Ride: Our Chakra Child bike helmet has a premium quality polycarbonate outer shell for lightweight and high impact resistance. The inner lining gives a soft feel for a comfortable fit.
  • Supreme Technology For Kid's Security: Our Composite Fusion in-mould construction and extended rear coverage allow for added safety and protection. Our bicycle helmet single-piece design protects your child’s head from a crash as the lighter mass reduces impact forces on the brain.
  • Maximum Ventilation for A Cool Trip: Our Chakra Child bike helmet for kids is designed with 21 vents to make sure that your child’s head is getting abundant airflow.
  • Design and Cute Colors: Our chakra kids bicycle helmet comes with a buckle and slider that can be easily adjusted. The attractive colors and design makes them the best choice of gift for kids.
SaleBestseller No. 12
Troy Lee Designs A1 Youth Half Face Mountain Bike Helmet -Ventilated Lightweight MIPS EPS Enduro BMX Gravel MTB Bicycle Cycling Accessories - Youth Boys Girls Kids - Black, One Size
26 Reviews
Troy Lee Designs A1 Youth Half Face Mountain Bike Helmet -Ventilated Lightweight MIPS EPS Enduro BMX Gravel MTB Bicycle Cycling Accessories - Youth Boys Girls Kids - Black, One Size
  • 8 pressurized intake passages draw in cool air for maximum ventilation
  • 8 Rear Vacuum Vortex Outlets Help Exhaust And Draw Heat From The Head
  • Single-piece, Ultra-plush, Removable And Washable Comfort Liner Made Of Anti-microbial Moisture-wicking Material For A Dry, Comfortable Feel
  • Full-spectrum adjustable moto inspired visor with anodized aluminum hardware
  • Reinforced polycarbonate shell in-molded with the EPS liner extends down the sides and back of the head for maximum protection and durability

Last update on 2023-09-25  / Affiliate links / Images from Amazon Product Advertising API


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