--- product_id: 81772830 title: "O'Neal Sierra Helmet, Flat Black XXL" brand: "o'neal" price: "€ 515.59" currency: EUR in_stock: true url: https://www.desertcart.nl/products/81772830-oneal-sierra-helmet-flat-black-xxl store_origin: NL region: Netherlands --- # Air-channeled moisture-wicking liner Double-D safety lock chin strap ABS shell for impact resistance O'Neal Sierra Helmet, Flat Black XXL **Brand:** o'neal **Price:** € 515.59 **Availability:** ✅ In Stock ## Summary > 🏍️ Ride Bold, Ride Protected — The Sierra Means Serious Safety ## Quick Answers - **What is this?** O'Neal Sierra Helmet, Flat Black XXL by o'neal - **How much does it cost?** € 515.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/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 - • **Stay Cool & Dry:** Advanced moisture-wicking, removable liner with air channels for all-day comfort and freshness. - • **Rugged ABS Shell:** Durable protection engineered to absorb impact and keep you safe on every ride. - • **Secure Fit Confidence:** Padded chin strap with double-D safety lock ensures your helmet stays locked in place. - • **Certified Safety Standards:** Meets DOT and ECE 22.05 certifications—trusted protection for street, enduro, and adventure riders. - • **Seamless Shield Integration:** Built-in adjustable face shield for clear vision and effortless sun protection. ## Overview The O'Neal Sierra Helmet in Flat Black XXL combines a tough ABS shell with a moisture-wicking, removable comfort liner and an integrated adjustable face shield. Designed for street and off-road riders, it features a padded chin strap with a double-D safety lock and meets rigorous DOT and ECE 22.05 safety standards. Lightweight yet durable, this helmet offers reliable protection and comfort for the discerning motorcyclist. ## 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 - Helmet runs small so if in between sizes order larger size - 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 | #24,113 in Automotive (See Top 100 in Automotive) #76 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 | 4.5 4.5 out of 5 stars (2,702) 4.5 out of 5 stars | | 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 | Polycarbonate (PC) | | Model Name | Sierra R Helmet | | Model Number | 0817-506 | | Number Of Items | 1 | | Shape | Oval | | Shell Type | Hard | | Specification Met | FMVSS 218 | | Sport Type | Motorcycling | | Style Name | Full-face-helmet-style | | Unit Count | 1 Count | | Warranty Description | See Manufacturer | ## Product Details - **Brand:** O'NEAL - **Color:** Flat Black - **Item Weight:** 3.5 pounds - **Material:** Polycarbonate (PC) - **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.nl/products/81772830-oneal-sierra-helmet-flat-black-xxl](https://www.desertcart.nl/products/81772830-oneal-sierra-helmet-flat-black-xxl) --- *Product available on Desertcart Netherlands* *Store origin: NL* *Last updated: 2026-11-14*