--- product_id: 81772830 title: "O'Neal Sierra Helmet, Flat Black XXL" brand: "o'neal" price: "S$323" currency: SGD in_stock: true category: "O'neal" url: https://www.desertcart.sg/products/81772830-oneal-sierra-helmet-flat-black-xxl store_origin: SG region: Singapore --- # Air-channels + vent holes for superior airflow Lightweight at 1590g for all-day comfort ABS shell for ultimate impact resistance O'Neal Sierra Helmet, Flat Black XXL **Brand:** o'neal **Price:** S$323 **Availability:** ✅ In Stock ## Summary > 🏍️ Gear up with O'Neal Sierra: Where safety meets style and every ride feels like the front row ## Quick Answers - **What is this?** O'Neal Sierra Helmet, Flat Black XXL by o'neal - **How much does it cost?** S$323 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/81772830-oneal-sierra-helmet-flat-black-xxl) ## 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 - • **Seamless Vision:** Integrated, height-adjustable face shield for clear, hassle-free sightlines - • **Race-Proven Safety:** DOT & ECE 22.05 certified for trusted protection on every ride - • **Stay Cool, Ride Longer:** Moisture-wicking, removable liner keeps you fresh mile after mile - • **Secure Fit, No Compromise:** Padded chin strap with double-D safety lock ensures rock-solid stability - • **Versatile Adventure Ready:** Designed for street, enduro, side-by-side & adventure bikes — one helmet, endless journeys ## Overview The O'Neal Sierra Helmet in Flat Black XXL combines a durable ABS shell with a lightweight 1590g design, featuring moisture-wicking, removable liners and integrated ventilation for all-day comfort. Certified to DOT and ECE 22.05 standards, it includes an adjustable face shield and a padded double-D chin strap for secure, reliable protection across street, enduro, and adventure riding. ## Description O'NEAL produces motorcycle and cycle gear, parts, apparel and accessories that absolutely offer the best in comfort, quality and protection every time you ride. Security, quality and protection you can trust after nearly 40 years of racing. Features: Shell IIS constructed with ABS - 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 and ECE 22.05 safety standards - Designed for Street, Enduro, Side by Side and Adventure Bike's- Replacement parts available. ## Features - Shell is constructed with ABS - Weight: 1590G ( 50G) - Moisture wicking, removable/washable air channeled comfort liner - Integrated face shield - Padded chin strap with double-d safety lock ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01K9GN9Z2 | | Best Sellers Rank | #11,482 in Automotive ( See Top 100 in Automotive ) #47 in Motorcycle & Powersports Helmets | | Brand Name | O'NEAL | | Certificate Type | DOT | | Color | Flat Black | | Compatible with Vehicle Type | ATV, PWC, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles | | Customer Reviews | 4.6 4.6 out of 5 stars (2,674) | | Finish Type | Glossy | | Global Trade Identification Number | 04046068488011 | | Included Components | helmet | | Item Type Name | Sierra Helmet R | | Item Weight | 3.5 Pounds | | Manufacturer | O'Neal | | Manufacturer Part Number | 0817-506 | | Material Type | Acrylonitrile Butadiene Styrene (ABS) | | Model Name | Sierra R Helmet | | Model Number | 0817-506 | | Number of Items | 1 | | Shape | Oval | | Shell Type | Hard | | Specification Met | DOT FMVSS 218 | | Sport Type | Motorcycling | | Style Name | Full-face-helmet-style | | Unit Count | 1.0 Count | | Warranty Description | See Manufacturer | ## Product Details - **Brand:** O'NEAL - **Color:** Flat Black - **Item Weight:** 3.5 Pounds - **Material:** Acrylonitrile Butadiene Styrene (ABS) - **Vehicle Service Type:** ATV, PWC, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles ## Images ![O'Neal Sierra Helmet, Flat Black XXL - Image 1](https://m.media-amazon.com/images/I/817dW7TVNlL.jpg) ![O'Neal Sierra Helmet, Flat Black XXL - Image 2](https://m.media-amazon.com/images/I/81GPlMFuOrL.jpg) ![O'Neal Sierra Helmet, Flat Black XXL - Image 3](https://m.media-amazon.com/images/I/71fV50qgO-L.jpg) ![O'Neal Sierra Helmet, Flat Black XXL - Image 4](https://m.media-amazon.com/images/I/81oNndG5dGL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - O'Neal Sierra Helmet - Seibertron Unisex BMX MX ATV MTB Racing Mountain Bike Bicycle Cycling Off-Road/Dirt Bike Gloves Road Racing Motorcycle Motocross Sports Gloves Touch Recognition Full Finger Glove - O'NEAL Element Dirt Bike Boots --- ## 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.sg/products/81772830-oneal-sierra-helmet-flat-black-xxl](https://www.desertcart.sg/products/81772830-oneal-sierra-helmet-flat-black-xxl) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-07-12*