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Complete your set

€49,99

O'NEAL SIERRA Helmet flat

Offer price€189,99
Sold out

Including taxes plus shipping costs Shipping calculated at checkout

Color:Black
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Size:XS
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Rely on style, security, comfort and innovative technology - the SIERRA Helmet from O’Neal combines everything in a strong overall package. Concentrate on the track on the bike and sit on a helmet that supports you all around.

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Size table full-face helmets adults


Size XS S M L XL XXL
Head circumference 53cm - 54cm 55cm - 56cm 57cm - 58cm 59cm - 60cm 61cm - 62cm 63cm - 64cm

Size table full-face helmets adults


Size XS S M L XL XXL
Head circumference 53cm - 54cm 55cm - 56cm 57cm - 58cm 59cm - 60cm 61cm - 62cm 63cm - 64cm

Complete your set

€49,99

specification

ABS shell: The bowl of this O'NEAL Helms consists of robust and light ABS.
Ventilation & cooling: several LExpenses ensure that thanks to optimal ventilation, you can keep a cool head even with long operations.
Mattes finish for a perfect look: With the modern, stylish matt finish of your O’Neal Helms, the colors come into its own.

Technical data

This is what our customers say

50 Years Faster | Setting the Bar Since 1970

MTB collection 2024

The MTB collection 2024 has some updates in the areas of Gear, helmets, protection and accessories in store - with brand new designs and colors.

MX collection 2024

Developed for over half a century O'NEAL the best possible gear as well as protectors and accessories for all passionate off-road bikers- whether hobby or Pro Rider!

Our youngest riders

For over 50 years O'NEAL The best equipment and the safest protection for children. Regardless of whether you are just driving for fun or are already small professionals.

Crash replacement

Crash replacement

Your O’Neal helmet has broken or you fell with it? We are there for you!