Black/White O’Neal Sierra II Helmet


• Shell is constructed with ABS • Weight: 1590g (± 50g)
• Clear Visor plus secondary integrated sunvisor
• Pinlock® 30 fog resistant insert lens
• Soft, sweat absorbing inner padding is removable and washable
• Vent holes for optimal ventilation
• Double-D safety lock
• Meets DOT and ECE 22.05 safety standards
• Designed for Street, Enduro and Adventure Bike markets


O’Neal Sierra II HelmetBlack/White


This is an adventure helmet that can be used for on or off-road riding. The O’Neal Sierra II Helmet is a replacement for the Sierra 1, with a few improved features. Updates have been made to improve the visor, peak, and chin vents, all aiming to improve performance and comfort.

Coming soon...

This product is currently out of stock and unavailable.

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Additional information

Size Helmets Adult

Small, Medium, Large, X-Large, 2X-Large