O'Neal - Sierra 2 Helmets Color:Neon Yellow/Black It is compatible with two-stroke

It is compatible with two-stroke synthetic and mineral-based engine oils and can be classed as the lowest and cleanest emission performance unleaded fuel developed in SA and components approved by the EU REACH Legislation

Insulated bladder compartment

4-way stretch fit for riding with or without body armor

and available in a wide variety of colors to choose from

The goal was to build the safest street helmet in the world while providing the rider with features and benefits superior to those found in the most premium helmets in the market

O'Neal - Sierra 2 Helmets Color:Neon Yellow/Black It is compatible with two-strokeWhether you ride on the pavement or the dirt or both the Sierra II 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. FEATURES: 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