---
product_id: 452338642
title: "O'Neal Sierra Helmet, Black/Gray MD"
brand: "o'neal"
price: "R$3867"
currency: BRL
in_stock: true
category: "O'neal"
url: https://www.desertcart.com.br/products/452338642-oneal-sierra-helmet-black-gray-md
store_origin: BR
region: Brazil
---

# Polycarbonate/ABS shell Ventilated comfort liner DOT & ECE certified safety O'Neal Sierra Helmet, Black/Gray MD

**Brand:** o'neal
**Price:** R$3867
**Availability:** ✅ In Stock

## Summary

> 🛡️ Ride Bold, Ride Protected — The Sierra Means Serious Safety

## Quick Answers

- **What is this?** O'Neal Sierra Helmet, Black/Gray MD by o'neal
- **How much does it cost?** R$3867 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/452338642-oneal-sierra-helmet-black-gray-md)

## 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

- • **All-Day Comfort Fit:** Moisture-wicking, removable air-channeled liner plus padded chin strap with secure Double-D lock.
- • **Versatile Adventure Ready:** Perfect for street, enduro, side-by-side, and adventure bikes—gear up for every journey.
- • **Lightweight, Durable Shell:** Polycarbonate/ABS construction ensures strength without the bulk at just ~1590g.
- • **Customizable Shield Comfort:** Integrated, height-adjustable face shield adapts to your ride and style.
- • **Race-Ready Safety Standards:** Meets rigorous DOT FMVSS 218 & ECE 22.05 certifications for ultimate protection.

## Overview

The O'Neal Sierra Helmet in Black/Gray combines advanced polycarbonate/ABS shell technology with certified DOT and ECE safety standards, delivering a lightweight (approx. 1590g), ventilated, and comfortable helmet. Featuring an integrated, height-adjustable face shield and a padded chin strap with a Double-D safety lock, it’s engineered for diverse riding styles including street, enduro, and adventure biking. Trusted by thousands with a 4.6-star rating, it’s the essential gear for riders who demand protection without compromise.

## Description

In 1970, Jim O'Neal began attending his races with some spare tires and parts to sell to local riders. Jim’s first big product was Preston Petty fenders. “Those Fenders were hot. Off Road racing was just getting serious and everyone needed the better parts, apparel and accessories to compete. It was then that Jim O’Neal Distributing Inc. was born. Features: Polycarbonate/ABS Shell construction - Weight: 1590g (± 50g) - Moisture wicking, removable/washable air channeled comfort liner - Vent holes for optimal ventilation - Integrated face shield - Height adjustable helmet shield - Padded Chin Strap with Double-D safety lock - Meets DOT FMVSS 218 and ECE 22.05 safety standards - Designed for Street, Enduro, Side by Side and Adventure Bike’s

## Features

- Polycarbonate/ABS Shell construction
- Integrated face shield
- Height adjustable helmet shield
- Padded Chin Strap with Double-D safety lock
- Meets DOT FMVSS 218 and ECE 22.05 safety standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B095WC8433 |
| Best Sellers Rank | #13,619 in Automotive ( See Top 100 in Automotive ) #58 in Motorcycle & Powersports Helmets |
| Brand Name | O'NEAL |
| Certificate Type | DOT |
| Color | Black/Gray |
| Compatible with Vehicle Type | off-road-motorcycles |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,683) |
| Included Components | Full Face Helmet |
| Item Type Name | Sierra Helmet R |
| Item Weight | 120 g |
| Manufacturer | O'Neal |
| Manufacturer Part Number | 0818-703 |
| Material Type | Polycarbonate (PC) |
| Model Name | Sierra R Helmet |
| Model Number | 0818-703 |
| Number of Items | 1 |
| Shape | Aerodynamic |
| Shell Type | Hard |
| Specification Met | DOT, ECE |
| Sport Type | Motorcycling |
| Style Name | Black/Gray |
| Unit Count | 1 Count |
| Warranty Description | See Manufacturer |

## Product Details

- **Brand:** O'NEAL
- **Color:** Black/Gray
- **Item Weight:** 120 g
- **Material:** Polycarbonate (PC)
- **Vehicle Service Type:** off-road-motorcycles

## Images

![O'Neal Sierra Helmet, Black/Gray MD - Image 1](https://m.media-amazon.com/images/I/71wycCami0L.jpg)

## Available Options

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

## Frequently Bought Together

- O'Neal Sierra Helmet
- KEMIMOTO Tactical Gloves for Men, Touchscreen Motorcycle Gloves with Hard Shell & Palm Padding for Sports Motorcycle Cycling Tactical Airsoft Paintball Hunting Hiking Camping Climbing

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.br/products/452338642-oneal-sierra-helmet-black-gray-md](https://www.desertcart.com.br/products/452338642-oneal-sierra-helmet-black-gray-md)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-08-21*