Stories

Road

DiscoverZ1 KinetiCore

Weighing only 220 grams with rotational impact protection.

Discover Z1 KinetiCore Shop now

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Mountain bike

The all newA-Line KinetiCore

For the toughest athletes riding downhill, freeride and enduro.

Discover A-Line KinetiCore Shop now

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Gravel

From road to dustDiscover gravel

Chase quiet roads, dusty paths, and the feeling of getting wonderfully lost.

Discover gravel

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Lifestyle

LifestyleRide the city

Helmets made for everyday rides, from the commute to the weekend.

Shop Lifestyle Helmets

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Kids

KidsFor those with little heads. But big adventures.

Protection for the next generation of riders.

Shop Kids Helmets

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STORIES

Young rider in a Lazer helmet on a pump track

Kids’ bike helmet guide

November 4, 2026

Kids’ bike helmets aren’t simply smaller versions of adult helmets. Find the right fit, protection, and features for growing riders. Read more...

Rider adjusting the fit of a white Lazer helmet

How to find the perfect bike helmet fit

November 4, 2026

A well-fitting helmet is one you barely notice, yet it plays a critical role in comfort, confidence, and protection on every ride. Read more...

Protection for all

July 26, 2026

A guide to impact protection and the reasons why Lazer created KinetiCore. What do you do when you want to make your own innovative proprietary rotational-impact technology that’s built into... Read more...

Holiday gift guide helmet edition

December 16, 2024

Looking for the perfect gift for the cyclist in your life? Below is a gift guide that will help you find the ideal cycling helmet, catering to every type of... Read more...

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Road Mountain Bike Strava

Global (English)

Find your size

How to measure

Grab a soft tape measure
Use a tailor's tape, or string and a ruler.
Wrap it above your eyebrows and ears
Keep it level, around the widest part of your head.
Read the number in cm
Measure three times. Use the biggest.

Head circumference (cm)

SizeHead circumference

View all helmet sizes

Still not sure? Your local dealer can fit you in minutes.

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Find your size

All helmet sizes

Head circumference in cm.

Helmet	XS	S	M	L	XL	S–M	M–L	One size	Kids
Blade KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Cerro KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
CityZen KinetiCore	–	52–56	55–59	58–61	61–64	–	–	–	–
Coyote KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Genesis	–	52–56	55–59	58–61	–	–	–	–	–
Impala KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Jackal KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Next KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Nova KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
One+	–	52–56	55–59	58–61	–	–	–	–	–
Sphere KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Sphere	–	52–56	55–59	58–61	–	–	–	–	–
Strada KinetiCore	–	52–56	55–59	58–61	61–64	–	–	–	–
Tonic KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Vento KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
Victor KinetiCore	–	52–56	55–59	–	–	–	–	–	–
Volante KinetiCore	–	52–56	55–59	–	–	–	–	–	–
Z1 KinetiCore	–	52–56	55–59	58–61	–	–	–	–	–
A-Line KinetiCore	52–54	54–56	56–58	58–60	60–62	–	–	–	–
Cage KinetiCore	52–54	54–56	56–58	58–60	60–62	–	–	–	–
Chase KinetiCore	52–54	54–56	56–58	58–60	60–62	–	–	–	–
Phoenix+	52–54	54–56	56–58	58–60	60–62	–	–	–	–
Maze KinetiCore	–	–	–	–	–	50–56	55–61	–	–
Verde KinetiCore	–	–	–	–	–	50–56	55–61	–	–
Codax KinetiCore	–	–	–	–	–	–	–	54–61	–
Compact KinetiCore	–	–	–	–	–	–	–	55–61	–
Finch KinetiCore	–	–	–	–	–	–	–	50–56	–
Lupo KinetiCore	–	–	–	–	–	–	–	55–61	–
Tempo KinetiCore	–	–	–	–	–	–	–	54–61	–
Bob+	–	–	–	–	–	–	–	–	46–52
J1 KinetiCore	–	–	–	–	–	–	–	–	50–56
Maze Jr KinetiCore	–	–	–	–	–	–	–	–	50–56
Nutz 2.0 KinetiCore	–	–	–	–	–	–	–	–	50–56
Pnut 2.0 KinetiCore	–	–	–	–	–	–	–	–	46–52

Still not sure? Your local dealer can fit you in minutes.

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