Delivering to:
Collecting from:

Helmets

Mountain Bike Helmets

Road Bike Helmets

Kids Helmets

BMX & Skate Helmets

Full Face Helmets

Recreational Helmets

Compare (0/5)

Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

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

Lazer

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

$75.00 Full price
$75.00
Club price
$79.99 Full price
Krash Street Writer Youth Black/Neon Helmet

C-Preme

Krash Street Writer Youth Black/Neon Helmet

$69.00 Full price
$69.00
Club price
$79.00 Full price
Bell Sanction 2 Adult Full-Face Helmet Matte Black

Bell

Bell Sanction 2 Adult Full-Face Helmet Matte Black

From $217.00 Full price
From $217.00
Club price
$229.00 Full price
Lazer Coyote KinetiCore MTB Helmet Matte White
20% Off Full Price

Lazer

Lazer Coyote KinetiCore MTB Helmet Matte White

$159.00 Full price
$159.00
Club price
$199.99 Full price
Lazer Coyote KinetiCore MTB Helmet Matte Black UNI 52-56cm
20% Off Full Price

Lazer

Lazer Coyote KinetiCore MTB Helmet Matte Black UNI 52-56cm

$159.00 Full price
$159.00
Club price
$199.99 Full price
Raskullz Super Rainbow Unicorn Child Pink Helmet

C-Preme

Raskullz Super Rainbow Unicorn Child Pink Helmet

$69.00 Full price
$69.00
Club price
$79.00 Full price
Met Rivale MIPS Helmet Black
16% Off Full Price Clearance

Met

Met Rivale MIPS Helmet Black

$229.00 Full price
$229.00
Club price
$274.99 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
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
Lazer Maze Kineticore Helmet Blue

Lazer

Lazer Maze Kineticore Helmet Blue

$75.00 Full price
$75.00
Club price
$79.99 Full price
Giro Fixture MIPS Youth Helmet Green Rush UNI 50-57cm
21% Off Full Price

Giro

Giro Fixture MIPS Youth Helmet Green Rush UNI 50-57cm

$118.00 Full price
$118.00
Club price
$149.99 Full price
Bell Crest JR Universal Youth Helmet Matt Grey
17% Off Full Price

Bell

Bell Crest JR Universal Youth Helmet Matt Grey

$63.00 Full price
$63.00
Club price
$75.99 Full price
Jetblack Pro Fullface MTB Helmet Black

Jetblack

Jetblack Pro Fullface MTB Helmet Black

$319.00 Full price
$319.00
Club price
$329.99 Full price
Cinettica VELOCITA Helmet Matt White
6% Off Full Price

Cinettica

Cinettica VELOCITA Helmet Matt White

$65.00 Full price
$65.00
Club price
$79.99 Full price
Bell Sanction 2 DLX MIPS Full-Face Helmet Matte Black/White
MIPS

Bell

Bell Sanction 2 DLX MIPS Full-Face Helmet Matte Black/White

$312.00 Full price
$312.00
Club price
$329.00 Full price
Krash Leopard Kitty Youth Black Helmet

C-Preme

Krash Leopard Kitty Youth Black Helmet

$69.00 Full price
$69.00
Club price
$79.00 Full price
Lazer Pnut Kineticore Toddler Helmet Rainbow

Lazer

Lazer Pnut Kineticore Toddler Helmet Rainbow

$75.00 Full price
$75.00
Club price
$79.99 Full price
Raskullz T-Rex Awesome Child Green Helmet

C-Preme

Raskullz T-Rex Awesome Child Green Helmet

$69.00 Full price
$69.00
Club price
$79.00 Full price
Raskullz Astro Cat Toddler Pink Helmet

C-Preme

Raskullz Astro Cat Toddler Pink Helmet

$69.00 Full price
$69.00
Club price
$79.00 Full price
Raskullz Shark Attack Child Black/Blue Helmet

C-Preme

Raskullz Shark Attack Child Black/Blue Helmet

$69.00 Full price
$69.00
Club price
$79.00 Full price
Lazer Compact Helmet in bright flash yellow with black accents and visor.

Lazer

Lazer Compact Helmet Flash Yellow UNI 54-61cm

$69.00 Full price
$69.00
Club price
$74.99 Full price
Giro Isode II MIPS Road Helmet Matte White UNI 54-61cm

Giro

Giro Isode II MIPS Road Helmet Matte White UNI 54-61cm

$134.00 Full price
$134.00
Club price
$139.00 Full price
Giro Isode II MIPS MTB Helmet Matte Black 2026

Giro

Giro Isode II MIPS MTB Helmet Matte Black 2026

$134.00 Full price
$134.00
Club price
$139.00 Full price
Jetblack Comp 2.0 Fullface Helmet Black Large

Jetblack

Jetblack Comp 2.0 Fullface Helmet Black Large

$239.00 Full price
$239.00
Club price
$249.99 Full price
Met Crossover Helmet Black Matte

Met

Met Crossover Helmet Black Matte

$135.00 Full price
$135.00
Club price
$139.95 Full price
Met Crossover Helmet Blue 52-59cm Metallic

Met

Met Crossover Helmet Blue 52-59cm Metallic

$135.00 Full price
$135.00
Club price
$139.95 Full price
Lazer Compact Helmet Blue

Lazer

Lazer Compact Helmet Blue

$69.00 Full price
$69.00
Club price
$74.99 Full price
Bern Helmet Hudson MIPS Matte Hyper Green
MIPS

Bern

Bern Helmet Hudson MIPS Matte Hyper Green

$237.00 Full price
$237.00
Club price
$249.99 Full price
Bell Helmet 4Forty MIPS Black
20% Off Full Price MIPS

Bell

Bell Helmet 4Forty MIPS Black

From $231.00 Full price
From $231.00
Club price
$289.99 Full price
Met Echo Mips MTB Helmet Midnight
2% Off Full Price MIPS

Met

Met Echo Mips MTB Helmet Midnight

$125.00 Full price
$125.00
Club price
$169.99 Full price
Met Rivale MIPS Road Helmet Frosty Green
20% Off Full Price MIPS

Met

Met Rivale MIPS Road Helmet Frosty Green

From $219.00 Full price
From $219.00
Club price
$274.95 Full price
Lazer Tonic Kineticore Helmet Black

Lazer

Lazer Tonic Kineticore Helmet Black

$129.00 Full price
$129.00
Club price
$139.99 Full price
Giro Scamp MIPS II Youth Helmet - Matte Black/Red
3% Off Full Price MIPS

Giro

Giro Scamp MIPS II Youth Helmet - Matte Black/Red

From $109.00 Full price
From $109.00
Club price
$129.00 Full price
Raskullz Lil Shark Infant Blue Helmet

C-Preme

Raskullz Lil Shark Infant Blue Helmet

$69.00 Full price
$69.00
Club price
$79.00 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

$75.00 Full price
$75.00
Club price
$79.99 Full price
Raskullz Skull Hawk Child Black/Red Helmet

C-Preme

Raskullz Skull Hawk Child Black/Red Helmet

$69.00 Full price
$69.00
Club price
$79.00 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 massive range of quality bike helmets for all ages, including men’s, women’s, kids bike helmets available in store and online! In New Zealand every cyclist is required to wear bike helmets by law. Beyond providing safety, your helmet should also be comfortable and suitable for the style of riding you’ll be doing. Shop the best range of road helmets, mountain bike helmets, full face helmets, BMX helmets, kids helmets, and more. 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

Live stock availability
CLUB 99 MEMBERSHIP

CLUB 99 MEMBERSHIP

Exclusive club benefits
FREE SHIPPING OVER $149*

FREE SHIPPING OVER $149*

*Excluding bikes/bulky items