Best Mountain Kids Bike Helmets in 2026

MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab.

INTEGRATED MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash.

VENTILATION: 18 Wind Tunnel vents with internal channeling.

MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab.

COMFORT: Easily adjust vertical position and tension with the Roc Loc Jr. fit system.

CERTIFICATION AND VENTILATION - Complies with the US CPSC Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Protection). 8 vents

This Schwinn Thrasher lightweight helmet is designed for youth. Suggested age range: 8-14 years old. Suggested head circumference: 21.25-22.88 inches

Full Schwinn 360° Comfort featuring an adjustable dial fit knob and full-range padding for the perfect custom fit.

Two microshell layers and full-coverage EPS foam construction provides lightweight durability

STYLE & DESIGN - Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors.

FIT SYSTEM - Our True Fit system for easy one step adjustment every time you ride, it’s that simple.

REFLECTORS - High-impact reflectors for visibility.

INTEGRATED MIPS: MIPS Protection System is integrated with the Roc Loc Sport Fit System for an added measure of protection in certain impacts plus market-leading fit and comfort.

UNIVERSAL FIT SIZING: Get the right fit, straight out of the box.

VENTILATION: 18 vents.

NO-TWIST TRI-GLIDES & X-STATIC AND XT2 PADDING - Quick-adjust fasteners that help keep straps flat and properly positioned. Quick-drying materials, woven with real silver fibers.

MIPS-EQUIPPED & WRAPAROUND PROTECTION - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. Removable protective chin bar, designed for trail riding adaptability. Attaches with a simple 3-step connection process no tools required.

OVERBROW VENTILATION - Overbrow Ventilation features intake ports on the brow of the helmet to usher in cool air and push it through the air-channel matrix for full-head ventilation.

【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

STYLE & DESIGN – Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors.

FIT SYSTEM - Our True Fit system for easy one-step adjustment every time you ride, it’s that simple.

PINCH GUARD – The patented Pinch Guard buckle ensures pinch-free buckling.

AVAILABLE IN TWO SIZES: Small (18.5-20.5 in) and medium (20.5-22 in)

ADJUSTABLE-FIT DIAL allows this kid & toddler helmet to grow with your child

14 VENTS to keep your little one cool, even on hot days

Complies with the U.S. Safety Standard. It is made of sturdy PC shell and high quality EPS foam, providing more protection for the cyclist.

2 sizes are available: L, 58-61 cm (22.8-24.0 inch) for adult; M, 54-58 cm (21.3-22.8 inch) for kids age 5 and older. Please choosing the helmet size according to the head circumference.

The adjustable dial and strap can be easily adjusted to achieve a custom fit. Besides, there is a insect net attached on the front of the helmet. Suitable for road / mountain cycling and other biking activities.

SAFETY: reinforced polycarbonate shell in-molded, EPS liner on sides and back plus MIPS

MAXIMUM COOL: 16 total vented ports for cool air in and drawing heat out (8 front and 8 in the back)

HIGHLY ADJUSTABLE: triple position adjustable retention system, customized shape & eyewear fit

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 180g, 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.

MIPS SAFETY - The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the system can reduce harmful rotational forces.

DOUBLE ADJUSTMENT - 2 different thicknesses liners(0.23&0.31inch) and the adjustment dial maximize the head fit, flexibly adapted to different kinds of cycling glasses and avoid pulling hair.

COMFORTABLE - The removeable visor and the skin-friendly adjustable chin strap offers comfortable wearing and better fit better.

Size S : Suggest for kids 6 - 14 years old

Size M : Suggest for youth age 14+ years old / slim ladies

Size L : Suggest for adult men and women

DOT certified for Safety - meets or exceeds FMVSS-218 and DOT safety standards.

Upgraded lightweight ABS shell with a thick, high-density fully vented EPS liner, brings youth better protection and comfortable, to your kids' ride everywhere in all seasons.

Sleek aerodynamic design made for speed. Front and back air vents for maximum ventilation.

Comfortable Design: LX LERMX Kids bike helmet for toddlers to Youth Size combines a super strong injection molded outer shell and a shock absorbing protective foam inner shell. Safely protects their little noggins from impact while providing comfort

Light Wight: The lightest option for helmets - approximately 7.5 oz, without sacrificing safety, kids won’t feel tired after hours of wearing.

Adjustable Fit: Adjustment dial system & adjustable straps. circumference: 18. 9 to 21. 3 inches(45cm-54cm). One helmet can serve your children from 5 to 14 years old.

【Lifetime Customer Service】: The Helmet is the perfect choice for the protection of your child and toddler’s head. Your child will have the protection meet the standard. As designed with multiple vents, special aerodynamic design and breathable foam, the skate helmets help reduce sweating, adjustable straps can adjust and lock the position of the helmet.

【HEAD SIZE】: Small:19.7 - 22.1 inch(50–56 cm) suitable for 3-8 years old kids; M: 21.7 - 23.2 inch (55–59 cm) suitable for 8-13 years old Youth. The CELOID kids helmet fit system and additional pads are designed to grow with your child's head.

【Wonderful Material】: This small kids protective gear set is adopted anti-scratch high hardness PE shell padded with Soft EVA material. Safety BREATHABLE, WASHABLE!Those high-quality liners are not only durable for many years, but also breathable. Adopted ventilate fabric to keep cool and clean while biking, riding, cycling and skateboarding. Not just Safety but with all elements for you, child, kids and toddler.

IMPACT RESISTANCE:These bike helmets are specially designed for Kid / Children safety protection. PC shell resists impact and high quality EPS foam provides shock-absorbing.Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 5 and Older

COOL and COMFORTABLE:14 vents let air go through the skating helmet,Super lightweight 200g(7 OZ) ,more comfortable, cooler rides.and the helmet liner use Velcro adhesive ,can be removable and washable.

2 SIZE AVAILABLE :Adjustable regulator and strap which make it flexible to fit the size of toddler / youth. Size S:50-54 cm（19.7''-21.2''),suitable for 3-8 years old;Size M:54-58 cm（21.2''-22.8''),suitable for 8-14 years old

Full-face helmet for youth comes with extra pads for a secure comfortable fit

17 vents guarantee a cool head at all times

Adjustable visor and strap; spacious eye port for use with goggles

Super-Cool Design: Featuring a unique, Mountain landscape design, this bold adult and youth helmet from Noggn has a distinctive look that will turn heads everywhere you go. Its bold design is more visible for added safety.

Grows With Your Noggn: The unique dial system of this impact-resistant helmet adjusts vertically and horizontally for a custom fit. The helmet can be adjusted to fit adult and youth riders age 14+ with a head circumference of 55-58 cm. Please measure before ordering to ensure a proper fit.

No More Sweaty Head: Our bike helmet has a light (but tough) foam shell, with 11 vents and internal channels to promote airflow. So your head stays cool and comfy, even during the most active of rides.

🚀USA shipping: We have two warehouses in Rancho Cucamonga, California and Harrisburg ,Pennsylvania, United States. So we can ship your orders out as soon as possible.

🎁The best gift for a child. New style design will make you look so cool and fashionable

🏅Well vented all purpose product for summer or winter riding and off-road riding

[KEEP CHILDREN SAFE] -Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets, which can provide comprehensive and strong head protection for kid. Besides, 3 modes of flashing safety rear light also adds crucial protection.

[ADJUSTABLE KIDS HELMETS] - Children helmets have long-lasting adjustment dial systems, which are adjustable to fit child head circumferences 19.68-22.44 inch (50-57 cm).

[LIGHTWEIGHT CYCLING HELMET] - 250 g/0.55 lb child helmet is ultra light, it will not add pressure to the child neck. It is perfectly suitable for biking cycling skate roller skate for kid and youth.

ABS SHELL CONSTRUCTION with Adjustable Visor.

LIGHTWEIGHT FULL-FACE - offers comfort and protection for dirt jump or BMX riders who want a smaller size and profile.

SPECIFICATIONS - Suitable for use on bicycle only. Sizes: X-Small (48-51 cm), Small (52-54 cm), Medium (55-57 cm), and Large (58-60 cm) Sizes. Important: always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous; 15 Vents.

[IMPACT RESISTANCE] Build-in reinforced PC shell and high density EPS foam adds durability and extra protection from potential injuries during your kids outdoor biking sports.

[TWO SIZE AVAILABLE] XS: 18.8''-19.7''(48-50cm) suitable for toddler ages 2-4/3-5 years old; S: 20''-21.3''(51-54cm) suitable for kids boy/girl ages 5-8 years old. Make sure to measure your kid's head before choose the right size.

[VENTILATION&COMFORTABLE] This lightweight bicycle helmet that is really relief the pressure for baby kids. With 14 ventilation vents and adjustable fit dial that will keep little heads cool and comfortable even on hot summer days.

In-Mold unibody technology high quality PC shell EPS foam provides shock-absorbing.Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 5 and Older

Head Size: Easy-to-use dial fits different head sizes ,adjustable side straps to assist with a proper fit 50cm - 57cm / 19.7"-22.4",Weight: Approx. 250g/0.55lb.

VENTILATION : 16 air flow channels,detachable visor is easy to remove and install,classical streamlined design in front,extended rear coverage adds durability and extra protection

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.

Protective multi-sport design

16 Flow vents for maximum temperature control

Bulletproof visor for added protection from the elements

FUSION IN-MOLD POLYCARBONATE SHELL - A process pioneered by bell bonds the helmet's outer shell to the eps foam liner to create a sturdier helmet

ERGO FIT - What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky

NO-TWIST TRI-GLIDES - Quick-adjust fasteners that help keep straps flat and properly positioned

★Note: motorcycle helmet ( including helmet,goggles,a face shield,cross-country gloves).If you encounter improper size, missing parts, helmet damage and other problems, please feel free to contact us, we will reply you within 24 hours.This helmet is too big for children under 8 years old.

★High quality Lightweight ABS shell withMulti-Density EPS Foam inner liner,Personalized color painting pattern,Streamlined Aerodynamic Design Reduces Wind Noise and Drag

★QUALITY MATERIAL -Compliant with FMVSS-218 and DOT Safety Standard, Light weight but extremely durable composite shell, Streamlined Aerodynamic Design keeps kids safe and comfy while riding!

【Adjustable Kids Helmet】 BURSUN kids bike helmet available in 2 sizes. Small: 18.90"-21.3" / 48-54 cm, suitable for 3-8 years old kids; Medium: 20.47"-22.83" / 52-58 cm, suitable for 8-14 years old youth. Please do remember to use a string and tape to measure your child’s head before you place the order

【High Quality Durable Material】 Our kids helmet is made of ABS and shock-absorbing EPS foam, Constitute multiple protection system, specially designed for multiple-sports head protection. Kids protective gear made of tough and durable PE shell with breathable Polyester lining, which could provide safety protection to kids knee elbow and wrist

【Breathable -Comfortable】 This kids bike helmet has a special adjustment dial system & adjustable straps to ensure your children achieve a perfect and safe fit. And 11 individual air vents that will keep your kids Cool & Comfortable for fun when playing.