Black/Yellow O’Neal Sierra 21 R Helmet
Whether you ride on the pavement or the dirt or both the Sierra 21 R has the features you need for your next two-wheel adventure. Combining a full windscreen and a visor with a drop-down tinted shield, the Sierra II helmet will get you anywhere you want to go.
- Shell is constructed with ABS
- Weight: 1590g (±50g)
- Moisture-wicking, removable/washable air channeled comfort liner
- Vent holes for optimal ventilation
- Integrated face shield with UV protection
- Height adjustable helmet shield
- Padded Chin Strap with Double-D safety lock
- Meets DOT and ECE 22.05 safety standards
- Designed for Street, Enduro and Adventure Bikes
- Replacement parts available
O’Neal Sierra 21 R HelmetBlack/Yellow
Designed for Street, Enduro and Adventure riders the O’Neal Sierra 21 R Helmet is constructed with ABS and has moisture-wicking, removable/washable air channeled comfort liner.