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Complete your set

€299,99
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O'NEAL SIERRA Helmet FLAT

Sale price€189,99

Tax included. Shipping calculated at checkout

Color:Black
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Size:S
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Rely on style, safety, comfort and innovative technology - the SIERRA Helmet from O'NEAL combines everything in a strong overall package. Concentrate fully on the track on the bike and rely on a helmet that supports you all around.

In stock - at your home in 1-3 working days

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Size chart 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 chart 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

https://cdn.oneal.eu/assets/_default_upload_bucket/2020_ONeal_SIERRA_Jacket_black_front.png &
€299,99

specification

ABS Schale: Die Schale dieses O'NEAL Helms besteht aus robustem und leichtem ABS.
Belüftung & Kühlung: Mehrere Lüftungsöffnungen sorgen dafür, dass du dank optimaler Belüftung auch bei langen Einsätzen einen kühlen Kopf behältst.
Mattes Finish für einen perfekten Look: Mit dem modernen, stylischen Matt-Finish deines O’NEAL Helms kommen die Farben perfekt zur Geltung.

Technical data

What our customers say

50 YEARS FASTER | SETTING THE BAR SINCE 1970

MTB COLLECTION 2024

The 2024 MTB collection has a number of updates in the areas of gear, helmets, protection and accessories – with brand new designs and colors.

MX COLLECTION 2024

For over half a century, O'NEAL has been developing the best possible gear, protectors and accessories for all passionate off-road bikers - whether hobby or pro riders!

OUR YOUNGEST RIDERS

For over 50 years, O'NEAL has been producing the best equipment and safest protection for children. Whether they are just riding for fun or are already little pros.

CRASH REPLACEMENT

Crash Replacement

Your O'NEAL helmet broke or you fell with it? We're here for you!