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- O'Neal Sierra Helmet, Flat Black XXL
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Item #:
70626642
O'Neal Sierra Helmet, Flat Black XXL
90% of respondents would recommend this to a friend
Item #:
70626642
GMD 14995
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What Stands Out
Advanced Safety
The O'Neal Sierra Helmet features a reinforced shell design to enhance protection, ensuring riders can enjoy their adventures with confidence and security against impacts on tough terrains.
Comfort Fit System
Equipped with a customizable fit system, this helmet provides superior comfort and stability, allowing riders to maintain focus on their journey without compromising on convenience during extended wear.
Ventilation Design
Featuring strategically placed ventilation ports, the helmet promotes airflow, keeping riders cool and dry while tackling challenging trails, which enhances overall performance and comfort during rigorous activities.
Product Details
- ABS shell construction
- Weighs 1590G (+/- 50G)
- Removable and washable air channeled comfort liner with moisture-wicking
- Integrated face shield
- Meets DOT and ECE 22-05 safety standards
| Brand Name | O'NEAL |
| Global Trade Identification Number | 04046068488011 |
| Manufacturer | O'Neal |
| Model Name | Sierra R Helmet |
| Included Components | helmet |
| Item Type Name | Sierra Helmet R |
| Model Number | 0817-506 |
| Number of Items | 1 |
| Manufacturer Part Number | 0817-506 |
| Unit Count | 1 Count |
| Compatible with Vehicle Type | ATV, PWC, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles |
| Sport Type | Motorcycling |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Finish Type | Glossy |
| Shell Type | Hard |
| Item Weight | 3.5 pounds (1.59 kg) |
| Certificate Type | DOT |
| Specification Met | DOT FMVSS 218 |
| Color | Flat Black |
| Shape | Oval |
| Style Name | Full-face-helmet-style |
| Brand | O'NEAL |
| Vehicle Service Type | ATV, PWC, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Country of Origin | This item will be imported from US |
| Date First Available | April 07, 2021 |
Who Should Buy?
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Off-Road Riders
Ideal for off-road enthusiasts who need durable protection during varied terrain and challenging weather conditions.
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Budget-Conscious Buyers
A great choice for riders looking for quality safety gear without breaking the bank.
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Beginner Cyclists
Perfect for novice riders needing reliable head protection while gaining confidence on their bike.
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Professional Racers
May lack the advanced features and performance specifications required for professional competitive racing.
Product Description
O'Neal Sierra Helmet, Flat Black XXL
About This Item
Introducing the ONeal Unisex-Adult Full-face Style Sierra II Helmet in Flat White. This helmet is designed to provide the utmost comfort, quality, and protection for your motorcycle and cycling adventures. Constructed with a durable ABS shell, this helmet is built to withstand the rigors of the road while ensuring your safety.
Weighing only 1590g (50g), it offers a lightweight feel without compromising on protection. The moisture-wicking, removable, and washable air-channelling comfort liner keeps you cool and dry, even during intense rides. The vent holes on this helmet provide optimal airflow, allowing for proper ventilation and breathability.
Equipped with an integrated face shield and a height adjustable helmet shield, this helmet offers added versatility and convenience. The padded chin strap includes a Double-D safety lock, ensuring a secure fit at all times. You can trust the ONeal Sierra II Helmet to meet the DOT and ECE 22.05 safety standards, giving you peace of mind while you ride.
Whether you're hitting the street, going off-road on an Enduro or Side by Side, or embarking on an adventure bike journey, this helmet is designed to meet your specific needs. We also offer replacement parts for this helmet, ensuring that you can easily maintain and personalize your gear. Choose the ONeal Sierra II Helmet for the ultimate combination of style, comfort, and protection on every ride.
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Customer Questions & Answers
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Question:
What are the key features of the O'Neal Sierra Helmet?
Answer: The O'Neal Sierra Helmet boasts a robust design with features like a lightweight shell for enhanced mobility, a comfortable and breathable interior lining, and a secure retention system. Its advanced ventilation ensures proper airflow, making it ideal for long rides. The sleek, modern design not only looks great but also ensures superior protection during off-road adventures. Often recommended for both motocross and mountain biking enthusiasts, it balances safety and comfort, giving you the confidence to tackle any terrain. -
Question:
How does the O'Neal Sierra Helmet compare to other helmets on the market?
Answer: The O'Neal Sierra Helmet is designed with a focus on both safety and comfort, standing out from many helmets in its price range. It uses high-quality materials, ensuring durability and longevity. Compared to competitors, its lightweight construction enhances wearability, while its ventilation system promotes comfort during lengthy rides. Riders often appreciate the blend of style and functionality, making it suitable for various riding disciplines, whether you’re on a motocross track or exploring rugged trails. -
Question:
What sizes are available for the O'Neal Sierra Helmet?
Answer: The O'Neal Sierra Helmet is available in multiple sizes, ranging from small to extra-large, ensuring a perfect fit for various head sizes. To find your ideal size, measuring your head circumference and comparing it to the size chart provided by the manufacturer is recommended. A proper fit is crucial for optimal protection and comfort, helping to reduce movement during rides while providing a secure feel. Riders often emphasize that a comfortable and well-fitted helmet greatly enhances their riding experience. -
Question:
Can I wear glasses or goggles with the O'Neal Sierra Helmet?
Answer: Yes, the O'Neal Sierra Helmet is designed to accommodate both glasses and goggles. It features a spacious interior that allows for easy fitting of eyewear, ensuring comfort during rides. Many riders prefer wearing goggles for enhanced visibility and protection from debris, while those needing prescription glasses find the helmet allows for a snug fit. This versatility makes it an excellent choice for riders who value eye protection while enjoying their outdoor adventures. -
Question:
Is the O'Neal Sierra Helmet suitable for all-weather conditions?
Answer: The O'Neal Sierra Helmet is designed with all-weather riding in mind. Its ventilation system allows for airflow, reducing moisture buildup during warmer rides while maintaining comfort in cooler conditions. The helmet's materials are also moisture-wicking, which helps keep the interior dry. Riders often report that this makes it a reliable choice for various climates, whether you’re navigating muddy trails or hot summer days, ensuring that you stay comfortable no matter the weather. -
Question:
How do I clean and maintain the O'Neal Sierra Helmet?
Answer: Cleaning the O'Neal Sierra Helmet is straightforward. It’s recommended to use a mild soap and water solution to wipe down the helmet’s outer shell and visor, ensuring to avoid harsh chemicals that can degrade the materials. The inner lining can typically be removed for washing, making it easy to keep it fresh and odor-free. Regular maintenance helps ensure longevity and performance, as riders often emphasize the importance of maintaining gear for optimal safety on every ride. -
Question:
What certifications does the O'Neal Sierra Helmet meet?
Answer: The O'Neal Sierra Helmet meets various safety certifications, ensuring it provides adequate protection during rides. These certifications often include DOT (Department of Transportation) and ECE (Economic Commission for Europe) standards, which are essential for ensuring that the helmet has undergone rigorous testing. This verification gives riders peace of mind, knowing that they are using a helmet that adheres to stringent safety requirements. It's recommended for anyone serious about their safety while enjoying their favorite biking activities. -
Question:
Is the O'Neal Sierra Helmet comfortable for long rides?
Answer: Absolutely! The O'Neal Sierra Helmet is designed for comfort, featuring a lightweight construction and ample padding that enhances wearability during lengthy rides. Its breathable interior lining helps wick moisture away, keeping you cool and dry. Riders often comment on how comfortable the helmet feels even after hours of use, enhancing overall riding pleasure. It's particularly beneficial for off-road enthusiasts or those who often participate in long-distance motorcycle tours. -
Question:
What colors and designs are available for the O'Neal Sierra Helmet?
Answer: The O'Neal Sierra Helmet comes in a range of vibrant colors and eye-catching designs to suit various personal styles. Options typically include classic solid colors as well as bold graphics, allowing riders to choose one that reflects their individuality. This variety not only makes it fun for riders to express themselves but also adds an aesthetic appeal when matched with different riding gear. Whether you're into bold designs or prefer a subtle look, there’s likely a Sierra Helmet to match your taste. -
Question:
Where can I buy O'Neal Sierra Helmet in The Gambia?
Answer: You can buy the O'Neal Sierra Helmet through Ubuy in The Gambia. Ubuy offers a variety of styles and sizes, making it easy to find the perfect fit for your riding needs. Their platform is user-friendly, allowing you to view detailed product descriptions and customer reviews. Ubuy is known for its reliable service, ensuring that you get your gear conveniently and efficiently, helping you to enjoy your rides with the best safety equipment available.
O'NEAL Helmets 0817-506 Editorial Review
O'Neal Sierra Helmet, Black/Gray X-SM offers robust protection with its polycarbonate construction and aerodynamic design, making it ideal for off-road motorcycling. Users have praised the helmet for its comfort and secure fit, although proper sizing is crucial for optimal performance. The double-D safety lock closure ensures added security while riding. Many appreciate the stylish glossy finish and functionality of the sun visor, which enhances visibility. Although some riders wish for more ventilation, the helmet stands out for its durability and padding. Overall, the O'Neal Sierra has garnered positive feedback for its quality and features, making it a favorite among riders.
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Pros
- Stylish design with glossy finish
- Comfortable padding for extended wear
- Secure double-D safety lock
- Good visibility thanks to sun visor
- Solid construction for off-road use
Cons
- Ventilation could be improved for hot weather
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Top selling O'Neal Helmet in The Gambia
Last Updated on September 3, 2026
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GMD 14995
Order now and get it around Thursday, October 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Produces motorcycle and cycle gear, parts, apparel and accessoriesfor comfort, quality, and protection
- Constructed with ABS shell for safety
- Moisture-wicking air-channelled comfort liner
- Optimal ventilation with vent holes
- Integrated face shield and height-adjustable helmet shield
- Meets DOT and ECE 22.05 safety standards
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