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🛵 Ride Smart, Ride Safe, Ride in Style!
The O'Neal Sierra Helmet in Black/Gray is a high-performance, DOT and ECE certified motorcycle helmet designed for street, enduro, and adventure riders. Featuring a robust polycarbonate/ABS shell, an integrated height-adjustable face shield, and a moisture-wicking comfort liner, it balances safety, comfort, and style. Its padded chin strap with a Double-D safety lock ensures a secure fit, making it a trusted choice for riders who demand both protection and versatility.







| ASIN | B095WC8433 |
| Best Sellers Rank | #11,625 in Automotive ( See Top 100 in Automotive ) #42 in Motorcycle & Powersports Helmets |
| Brand | O'NEAL |
| Brand Name | O'NEAL |
| Certificate Type | DOT |
| Color | Black/Gray |
| Compatible with Vehicle Type | off-road-motorcycles |
| Customer Reviews | 4.6 out of 5 stars 2,687 Reviews |
| Included Components | Full Face Helmet |
| Item Type Name | Sierra Helmet R |
| Item Weight | 120 g |
| Manufacturer | O'Neal |
| Manufacturer Part Number | 0818-703 |
| Material | Polycarbonate (PC) |
| 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 | Motorcycling |
| Sport Type | Motorcycling |
| Style Name | Black/Gray |
| Unit Count | 1 Count |
| Vehicle Service Type | off-road-motorcycles |
| Warranty Description | See Manufacturer |
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