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Kids Helmets

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25% Off Full Price
Krash Street Writer Youth Black/Neon Helmet

C-Preme

Krash Street Writer Youth Black/Neon Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
26% Off Full Price
Lazer Pnut Kineticore Toddler Helmet Rainbow

Lazer

Lazer Pnut Kineticore Toddler Helmet Rainbow

$59.00 Full price
$59.00
Club price
$79.99 Full price
26% Off Full Price
Lazer Pnut Kineticore Toddler Helmet 46-52cm Shark

Lazer

Lazer Pnut Kineticore Toddler Helmet 46-52cm Shark

$59.00 Full price
$59.00
Club price
$79.99 Full price
26% Off Full Price
Lazer Pnut Kineticore Toddler Helmet 46-52cm Oranges

Lazer

Lazer Pnut Kineticore Toddler Helmet 46-52cm Oranges

$59.00 Full price
$59.00
Club price
$79.99 Full price
26% Off Full Price
Lazer PNut 2.0 Kineticore Toddler Helmet Flying Rockets UNI 46-52cm

Lazer

Lazer PNut 2.0 Kineticore Toddler Helmet Flying Rockets UNI 46-52cm

$59.00 Full price
$59.00
Club price
$79.99 Full price
26% Off Full Price
Lazer Maze Jnr Kineticore Kids Helmet Matte Lime UNI 50-56cm

Lazer

Lazer Maze Jnr Kineticore Kids Helmet Matte Lime UNI 50-56cm

$59.00 Full price
$59.00
Club price
$79.99 Full price
25% Off Full Price
Raskullz Lil Shark Infant Blue Helmet

C-Preme

Raskullz Lil Shark Infant Blue Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
25% Off Full Price
Raskullz T-Rex Bonez Mohawk Toddler Helmet Black/Green

C-Preme

Raskullz T-Rex Bonez Mohawk Toddler Helmet Black/Green

$59.00 Full price
$59.00
Club price
$79.00 Full price
25% Off Full Price
Raskullz Lil Unicorn Infant Pink Helmet

C-Preme

Raskullz Lil Unicorn Infant Pink Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
21% Off Full Price
Giro Fixture Youth MIPS II MTB Helmet Matte Light Pink/Purple Fade UNI Youth 50-57cm

Giro

Giro Fixture Youth MIPS II MTB Helmet Matte Light Pink/Purple Fade UNI Youth 50-57cm

$118.00 Full price
$118.00
Club price
$149.99 Full price
21% Off Full Price
Giro Fixture Youth MIPS II MTB Helmet Matte Aqua Green/Blue Jewel Fade UNI Youth 50-57cm

Giro

Giro Fixture Youth MIPS II MTB Helmet Matte Aqua Green/Blue Jewel Fade UNI Youth 50-57cm

$118.00 Full price
$118.00
Club price
$149.99 Full price
26% Off Full Price
Lazer Maze JR Kineticore Kids BMX Helmet UNI 50-66cm Black

Lazer

Lazer Maze JR Kineticore Kids BMX Helmet UNI 50-66cm Black

$59.00 Full price
$59.00
Club price
$79.99 Full price
21% Off Full Price
Giro Fixture Youth MIPS II MTB Helmet Matte Black/Vivid Green UNI Youth 50-57cm

Giro

Giro Fixture Youth MIPS II MTB Helmet Matte Black/Vivid Green UNI Youth 50-57cm

$118.00 Full price
$118.00
Club price
$149.99 Full price
25% Off Full Price
Raskullz T-Rex Awesome Child Green Helmet

C-Preme

Raskullz T-Rex Awesome Child Green Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
25% Off Full Price
Lazer Finch Kineticore Youth/Adult XS MTB Helmet Matte Purple

Lazer

Lazer Finch Kineticore Youth/Adult XS MTB Helmet Matte Purple

$97.00 Full price
$97.00
Club price
$129.99 Full price
25% Off Full Price
Raskullz Super Rainbow Unicorn Child Pink Helmet

C-Preme

Raskullz Super Rainbow Unicorn Child Pink Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
25% Off Full Price
Lazer Finch KinetiCore Youth MTB Trail Helmet UNI 50-56cm Matte Teal

Lazer

Lazer Finch KinetiCore Youth MTB Trail Helmet UNI 50-56cm Matte Teal

$97.00 Full price
$97.00
Club price
$129.99 Full price
25% Off Full Price
Krash Leopard Kitty Youth Black Helmet

C-Preme

Krash Leopard Kitty Youth Black Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
Giro Scamp II Kids Helmet Matte Blue/Rainbows

Giro

Giro Scamp II Kids Helmet Matte Blue/Rainbows

$95.00 Full price
$95.00
Club price
$99.00 Full price
Giro Scamp II Kids Helmet Matte Blue Jewel

Giro

Giro Scamp II Kids Helmet Matte Blue Jewel

$95.00 Full price
$95.00
Club price
$99.00 Full price
17% Off Full Price
Bell Crest JR Universal Youth Helmet Matt Crimson

Bell

Bell Crest JR Universal Youth Helmet Matt Crimson

$63.00 Full price
$63.00
Club price
$75.99 Full price
25% Off Full Price
Raskullz Astro Cat Toddler Pink Helmet

C-Preme

Raskullz Astro Cat Toddler Pink Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
17% Off Full Price
Bell Crest Jr Youth Helmet Matte Blue Uni (50-57 cm)

Bell

Bell Crest Jr Youth Helmet Matte Blue Uni (50-57 cm)

$63.00 Full price
$63.00
Club price
$75.99 Full price
26% Off Full Price
Lazer Nutz 2.0 Kineticore Kids Helmet UNI 50-56cm Space

Lazer

Lazer Nutz 2.0 Kineticore Kids Helmet UNI 50-56cm Space

$59.00 Full price
$59.00
Club price
$79.99 Full price
17% Off Full Price
Bell Crest JR Universal Youth Helmet Matt Grey

Bell

Bell Crest JR Universal Youth Helmet Matt Grey

$63.00 Full price
$63.00
Club price
$75.99 Full price
26% Off Full Price
Lazer PNut 2.0 Kineticore Toddler Helmet Purple/Unicorns 46-52cm

Lazer

Lazer PNut 2.0 Kineticore Toddler Helmet Purple/Unicorns 46-52cm

$59.00 Full price
$59.00
Club price
$79.99 Full price
25% Off Full Price
Raskullz Skull Hawk Child Black/Red Helmet

C-Preme

Raskullz Skull Hawk Child Black/Red Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
26% Off Full Price
Krash Cube Hurt Hawk Youth Black Helmet

C-Preme

Krash Cube Hurt Hawk Youth Black Helmet

$59.00 Full price
$59.00
Club price
$79.99 Full price
25% Off Full Price
Lazer Finch Kineticore Youth/Adult XS MTB Helmet Matte Black

Lazer

Lazer Finch Kineticore Youth/Adult XS MTB Helmet Matte Black

$97.00 Full price
$97.00
Club price
$129.99 Full price
26% Off Full Price
Lazer Nutz 2.0 Kineticore Kids Helmet Green Dots UNI 50-56cm

Lazer

Lazer Nutz 2.0 Kineticore Kids Helmet Green Dots UNI 50-56cm

$59.00 Full price
$59.00
Club price
$79.99 Full price
25% Off Full Price
Raskullz Shark Attack Child Black/Blue Helmet

C-Preme

Raskullz Shark Attack Child Black/Blue Helmet

$59.00 Full price
$59.00
Club price
$79.00 Full price
Giro Scamp II Kids Helmet Matte Purple Lava SM 49-53cm

Giro

Giro Scamp II Kids Helmet Matte Purple Lava SM 49-53cm

$95.00 Full price
$95.00
Club price
$99.00 Full price
Exclusive
Lazer Nutz 2.0 Kineticore Kids Helmet UNI 50-56cm Steel Blue

Lazer

Lazer Nutz 2.0 Kineticore Kids Helmet UNI 50-56cm Steel Blue

$75.00 Full price
$75.00
Club price
$79.99 Full price
Giro Scamp II Kids Helmet Matte Pink/Green Fade SM 49-53cm

Giro

Giro Scamp II Kids Helmet Matte Pink/Green Fade SM 49-53cm

$95.00 Full price
$95.00
Club price
$99.00 Full price
Exclusive
Lazer Maze Jr Kineticore Kids Helmet SM/MD Dusk Blue

Lazer

Lazer Maze Jr Kineticore Kids Helmet SM/MD Dusk Blue

$75.00 Full price
$75.00
Club price
$79.99 Full price
MIPS
Met Hooray MIPS Kids Helmet Blue Zebra

Met

Met Hooray MIPS Kids Helmet Blue Zebra

$165.00 Full price
$165.00
Club price
$169.95 Full price

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
cm

Find Your Size

Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

Find Your Size

Your results

For the we suggest the following size.

More comfort More speed
Height: --
Inseam: --
Adjusted Height: --

Find Your Size

We have saved your measurements.

Recommended sizes will now be highlighted on the page.

99 Bikes have a wide of kids bike helmets for all children including babies, toddlers, and youth. Shop a wide range of kids helmets including boys helmets and girls helmets in various styles like kids BMX helmets. Our great range of kids helmets bring both safety and fun designs together. When buying a baby or kids bike helmet, the same guidelines apply as if you were buying a bike helmet for yourself - it needs to be comfortable, durable and the correct size. You should also ensure that you choose a helmet colour and design that your child will love to ensure that they’ll want to wear it every time they jump on their bike. You can be sure you're buying the best helmet at the best price with our Best Price Guarantee. Shop online with click & collect and delivery, and in store at your local 99 Bikes in Auckland, Christchurch & Wellington.
5% BEST PRICE GUARANTEE

5% BEST PRICE GUARANTEE

We beat any price by 5%
CLICK AND COLLECT

CLICK AND COLLECT

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CLUB 99 MEMBERSHIP

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FREE SHIPPING OVER $149*

FREE SHIPPING OVER $149*

*Excluding bikes/bulky items