---
product_id: 58636286
title: "O'Neal Sierra Helmet"
brand: "o'neal"
price: "AR$710246"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/58636286-oneal-sierra-helmet
store_origin: AR
region: Argentina
---

# Lightweight 2.27 kg build Aerodynamic shell design DOT FMVSS 218 certified safety O'Neal Sierra Helmet

**Brand:** o'neal
**Price:** AR$710246
**Availability:** ✅ In Stock

## Summary

> 🛵 Gear up in style and safety with the O'Neal Sierra – where protection meets performance!

## Quick Answers

- **What is this?** O'Neal Sierra Helmet by o'neal
- **How much does it cost?** AR$710246 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/58636286-oneal-sierra-helmet)

## Best For

- o'neal enthusiasts

## Why This Product

- Trusted o'neal brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ride with Confidence:** Meets rigorous DOT FMVSS 218 safety standards for ultimate protection on every ride.
- • **Durable & Lightweight:** Constructed from tough ABS material weighing just 2.27 kg, balancing protection and comfort.
- • **Unisex Style Statement:** Sleek full-face design in X-Large size, perfect for any rider looking to combine safety with style.
- • **Streamlined Performance:** Aerodynamic shell reduces drag, enhancing speed and stability for the discerning rider.
- • **Universal Fit, Tailored Comfort:** Designed for a universal fit; order one size up if between sizes to ensure perfect comfort.

## Overview

The O'Neal Sierra Helmet is a DOT FMVSS 218 certified full-face motorcycle helmet featuring a lightweight ABS shell and aerodynamic design. It offers a universal fit with a recommendation to size up if between sizes, ensuring both comfort and safety for unisex adult riders. Perfect for those who demand reliable protection without compromising on sleek style.

## Description

Sierra Helmet

## Features

- Fit type: Universal Fit
- Sierra II Helmets run small if between sizes order next larger size

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Sport | Motorcycling |
| Shell Type | Hard |
| Specification Met | DOT FMVSS 218 |
| Shape | Aerodynamic |
| Global Trade Identification Number | 04046068488004 |
| Manufacturer | O'Neal |
| Model Name | Sierra R Helmet |
| Item Package Dimensions L x W x H | 15.8 x 12.75 x 10.8 inches |
| Package Weight | 2.27 Kilograms |
| Item Dimensions  LxWxH | 16 x 1 x 12 inches |
| Brand Name | O'NEAL |
| Warranty Description | See Manufacturer Site |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Part Number | 0817-505 |
| Model Year | 2020 |
| Style | full-face-helmet-style |
| Included Components | helmet |
| Outer Material | ABS |
| Size | X-Large |

## Product Details

- **Color:** Flat Black
- **Brand:** O'NEAL
- **Vehicle Service Type:** ATV, PWC, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles
- **Item Weight:** 3.5 Pounds
- **Material:** Composite

## Images

![O'Neal Sierra Helmet - Image 1](https://m.media-amazon.com/images/I/61k3kTvHZOL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- O'Neal Sierra Helmet
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- O'NEAL Element Dirt Bike Boots

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**Shop now:** [https://www.desertcart.com.ar/products/58636286-oneal-sierra-helmet](https://www.desertcart.com.ar/products/58636286-oneal-sierra-helmet)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-22*