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The O’Neal Sierra II Helmet in White is a versatile dual-sport helmet built to handle both street and off-road riding with confidence. Its ABS shell offers dependable protection while keeping weight manageable, and built-in venting along with a moisture-wicking removable liner helps regulate comfort during long rides.
Equipped with a built-in face shield, height-adjustable visor, and padded double-D ring chin strap, this helmet delivers DOT-certified safety and flexible performance. Available now at DMG Motorsports, your trusted source for premium adventure and off-road gear.
Shell in 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 safety standard
Designed for Street, Enduro, Side by Side and Adventure Bike’s
Replacement parts available
Guaranteed Fitment
Always the correct part
In-House Experts
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Competitive Pricing
Without sacrificing quality
Free Shipping
on Orders Over $100