

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






| 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 |
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