Best Adjustable Bike Helmets in 2026

Adjustable dial fit offers 360 degree adjustability for the perfect custom fit, Fits head circumferences of 44-50 centimeters

Lower molded shell adds durability and extra protection in the rear

Built in sun brim for protection against the elements

DESIGN - You'll love the gloss and matte purple and pink leopard print, 3D cat ears, and accent pink buckles

CONSTRUCTION - Adjustable straps for a custom snug fit, and aerodynamic cooling vents for great airflow. Durable outer PVC shell, and impact dampening expanded polystyrene inner foam construction

STYLE - Perfect light weight helmet for ridding around on a bike, scooter, skateboard or rollerblades!

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

Youth Helmet Glove and Goggle combo The quality and price you expect from TYPHOON HELMETS. Typhoon Helmets is American owned and we've been in business selling high quality certified helmets for more than 10 years

PLEASE PLEASE measure for size, we cannot impress on you enough how important it is that you measure for the correct size. Each manufacturers sizing is different. Measure the circumference of the largest part of the child's head, (usually just above the eyebrows) in inches: Use a paper tape measure or a string and do not pull it too tight, loose like a hat would fit.

SIZE CHART Youth Small: 18 to 19, Youth Medium: 19 to 20, Youth Large: 20 to 21, Youth XL: 21 to 22. Head shapes can affect how a helmet fits, the size chart is meant to be a starting point.

【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

Rechargeable Helmet Light: VICTGOAL bike helmet included plug-in USB rechargeable LED light, 3 Lighting Modes-steady, fast flashing and slow flashing, will help riders behind you clearly recognized your direction. The bike helmet light only takes two hours to charge and can be used for 10 hours.

Cool and Lightweight Cycling Helmet: Our bike helmet is design with 21 breathable vents, can effectively reduce air resistance and make you feel cool when cycling. The cycling helmet only 310g (0.68 lb) will not cause any burden to the rider's head during cycling.

Impact Resistance: This bicycle helmet is made of high-density PC shell and EPS foam, with durable hard shell and soft pad can absorb the pressure caused by external impact. Our bike helmet will make you feel comfortable and protect you in all directions.

DURABLE - Built for both comfort and impact resistance with REINFORCED ABS SHELL & THICKENED SHOCK-ABSORBING EPS CORE.

EXTRA REMOVABLE LINING - Skateboard helmet with two removable liner for different head sizes and easy to wash the sweat away.

A HELMET for MULTI-SPORT - Smooth Ventilation System helps to protect and enjoy SKATING, CYCLING, BMX, MTB and etc. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older

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

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

COMFORT: Easily adjust position and tension with the Roc Loc Sport MIPS Fit System

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.

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.

IMPACT RESISTANCE: The kids bike helmets are specially designed for multi-sports head protection. The material use is tough and durable PVC, EPS foam which would help absorb the impact and protect your kids head during impact

HEAD SIZE: This toddler helmets product size is 18.89''-21.26'' (48-54cm), it’s suitable for 3-8 years old.Please choose the helmet according to the head circumference classification, if you have size problem or any other question, please contact us freely.

ADJUSTABLE FIT: This toddler bike helmet has an adjustable spin dial on the back of the helmet to ensure you achieve a perfect and safe fit. After a day of riding you can easily remove the inner lining and wash away any sweat

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

【Special Design for Girls 】Head Circumference 52-56cm/20.5in-22in with adjustable knob,fit for most of toddler and kids. Approximately ages Age from 3 - 10 years. the various color girl helmet very easy to catch children's eyes, standing out. makes them WANTS to wear their cute helmet while many sports.

【Safety and Certification 】all of the helmet passed the 16& CFR 1203 and CPSIA certification, Built for comfortable and impact resistance with reinforced PC shell L & high-density shock-absorbing EPS core

【Adjustment-Comfortable】Head Circumference 52-56cm/20.5in-22in with adjustable knob . suggested 5-12 years old , 12 individual air vents that will keep Cool & Comfortable.It will provide more than adequate protection until your child's noggin grows out of it and is ready for a big kid helmet.

PLEASE PLEASE measure for size, we cannot impress on you enough how important it is that you measure for the correct size. Each manufacturers sizing is different. Measure the circumference of the largest part of the users head, (usually just above the eyebrows) in inches: Use a paper tape measure or a string and do not pull it too tight, loose like a hat would fit.

SIZE CHART in inches: SMALL: 21 ½ to 22 - MEDIUM: 22 to 22 ½ - LARGE: 22 ½ to 23 - XL: 23 to 23 ½ - XXL: 23 ½ to 24. Head shapes can affect how a helmet fits, the size chart is meant to be a starting point.

This off road helmet is loaded with features! This is the perfect choice for those looking for a high quality motocross, off-on road or ATV helmet at an affordable price. Typhoon Helmets is American owned and we've been in business selling high quality certified helmets for more than 10 years

Youth Helmet & Goggle combo The quality and price you expect from TYPHOON HELMETS. Typhoon Helmets is American owned and we've been in business selling high quality certified helmets for more than 10 years

PLEASE PLEASE measure for size, we cannot impress on you enough how important it is that you measure for the correct size. Each manufacturers sizing is different. Measure the circumference of the largest part of the child's head, (usually just above the eyebrows) in inches: Use a paper tape measure or a string and do not pull it too tight, loose like a hat would fit.

SIZE CHART Youth Small: 18 to 19, Youth Medium: 19 to 20, Youth Large: 20 to 21, Youth XL: 21 to 22. Head shapes can affect how a helmet fits, the size chart is meant to be a starting point.

FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.

INTEGRATED MIPS (MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM) - 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.

ERGO-FIT LED - 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.

Certified by Department of Transportation DOT and has passed or exceeds all requirements of the US FMVSS No. 218 safety regulations.

Engineered with a fully vented multi density EPS liner to greatly absorb impact so you can feel confident riding your motorcycle bicycle scooter cruiser chopper moped ATV UTV motorbike or street bike.

Small footprint and incredibly light weight at around 2.2 lbs. (weight will vary upon size). The helmet’s small design means that it can easily be slipped into a backpack.

CERTIFIED SAFETY. This Kids Sport Helmet has undergone intensive safety testing. It fully complies with CPSC standards. It's your kids' best companion while biking, skateboarding, roller skating, inline skating, rollerblading, scootering etc.

LIGHT WEIGHT. In-Mold polycarbonate shell with EPS liner, the lightest option for helmets - approximately 6 oz, without sacrificing safety, kids won’t feel tired after hours of wearing.

ADJUSTABLE FIT. Adjustment dial system & adjustable straps. Available in 2 sizes: size S for kid’s head circumference range 18.9”-20.5” (48-52cm), size M for head circumference 20.5"-22" (52-56cm). One helmet can serve your children from 3 to 5, or 5-10 years old.

IMPACT RESISTANCE: These bike/bicycle helmets are specially designed for kids head protection. Made by tough and durable PC shell and high quality EPS foam which protect your child well from any injury during cycling, skating or playing

LIFHTWEIGHT & ADJUSTABLE SIZE: Only weights: 245g(8.64 OZ), no any burden when wearing this child bike helmet. These children cycling helmets have adjustable crank adjustment dial and strap which make it flexible to fit perfectly for boys and girls 3-8 years old. Fit for size:appro.20.5''-22'', 52-56 cm. One toddle bike helmet can be used for a few years

COOL & COMFORTABLE: 16 AIR VENT let air go through the kids helmets; keep cool even in very hot summer. The internal protective padding is soft, detachable and washable, Don't worry about the health problems after sweating, The chin straps are soft to fit user comfortably, no more worries about that the straps may scratch child's sensitive skin

[IMPACT RESISTANCE] High-level warm fabrics washable liner and high-density foam cushioning layer to protect your head from potential injuries when cycling.

[ADJUSTABLE FIT] Rotation buckle contraction and dial can adjust the buckle belt inside helmet overall to meet different head circumference rider and achieve comfortable fixation effect. Suitable for youth boy or girl M: 54-58cm / 21.2-22.8 inch, for adult men or women L: 58-62cm/22.8''-24.4'',.This cycling Helmet is universal for city commuters and cycling enthusiasts.

[VENTILATION&COMFORTABLE] Streamlined shape and multiple air vents are designed to keep head cooling and breathable, perfect choice for age 14+ youth or unisex men women during long rides or other urban commuter bike riding.

You Get :1x Motorcycle Helmet Pigtail (Helmet not included,we do not sell helmet);+2*pcs PU Adhesive pads for free

Reusable Design ;Easy stick-on suction cup, and easy to remove / High Quality Suction Cup

Fits on almost any helmets type;motorcycle helmet cycling helmet biake helmet bicycle helmet skates helmet skateboards helmet scooters helmet skateboarding helmet climbing helmet tactical helmet etc.

DUAL SAFETY CERTIFIED: The bike helmet is made up of a durable, high density PC shell and EPS foam that makes this bicycle helmet absorb the impact force in the crash and keep your head safe.

CAN ADJUSTABLE TO DIFFERENT HEAD SIZE: This adult cycling helmet goes with a standard size, equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women.

21 COOLING VENTS: The adoption of specialized aerodynamic and ventilation design. 21 strategically placed vents actively capture airflow and pass it through interior cooling channels to keep you cool on longer rides.

★Size: S size 55-56CM, M size 57-58CM, suitable for children under 10 years old, L size 59-60CM, XL size 61-62CM. Suitable for teenagers

★High-strength ABS shell + high-quality foam layer

★The helmet weighs about 950g (2.1LB). Removable lining, easy to clean, comfortable, lightweight and durable

◆ Suitable size: S55 ~ 56cm, M57 ~ 58cm, L59 ~ 60cm, XL61 ~ 62cm .

◆Material: engineering plastic shell, foam inner shell

◆Features: Adjustable chin strap Removable ear pads

Magnetic bases (Nubbins) attach to helmet with strong adhesive and Flair pops right on; designed to sheer off in the event of an impact, increasing safety

Patent pending technology is unique to Helmet Flair products

Interchangeable with other Helmet Flair designs; collect them all!

【Full Protection】 Made of special PC shell and high-density imported EPS.

【Lightweight & Ventilated】 Weight only 0.56lbs. With 22 air vents, it makes you feel cool.

【Adjustable for Snug Fit】 You can adjust the quick release buckle in the back and the straps at the two sides for a better snug fit. Our helmets fit head size around22.4-24.4inch, suitable for most men and women riders and some teenagers, people up to 13 years old.

Compliant with FMVSS-218 and DOT safety standards.And each batch of helmets is subjected to random quality checks to ensure the highest quality of the products you receive.

Suitable for head size: S: 52-53cm, M: 54-55cm, L: 56-57cm, XL: 58-59cm, helmet shell size length 35cm (13.7in) X width 24cm (9.4in) X height 25cm (9.8in)

High-strength ABS shell + EPS buffer layer, durable, adjustable chin strap (fast release), fully removable lining, easy to clean, soft and comfortable, breathable.

Meet DOT safety standards and feature an aerodynamic design that reduces wind resistance and minimizes wind noise for a practical riding experience. The helmet is equipped with multiple vents that promote air circulation, and the hypoallergenic padding ensures both safety and comfort.

Upgraded liner with a hypoallergenic design provides a comfortable and secure fit with excellent impact resistance. The Bluetooth headset slot enhances convenience, and the helmet is also eyeglasses-friendly.

Hax helmet lenses offer clear and wide vision with Pinlock Ready plastic nails that allow for easy installation of an anti-fog lens (model DKS166, not included). The helmet comes with tail fins for and a thick cloth bag for storage. Pinlock lenses can be purchased directly from our store or details page.

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

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

COMFORT: Easily adjust vertical position and tension with the Roc Loc 5.5 fit system.

The fins only fit for ILM-Z501 full face motorcycle helmet only.

There are clear, tinted blue, tinted green, tinted purple and tinted glod fins for you to choose for your personalized ILM-Z501 motocross helmet, ideal for both men and women.

Helmet fins are replaceable and removable, you could choose the color whichever you like.