O'Neal - Sierra R Helmets Color:White/Black/Grey - This fibreglass shell ensures

- This fibreglass shell ensures durability while reducing overall weight for rider comfort on long rides

Plug-N-Play™ quick disconnect for convenient tube removal

ARB or other state and federal agencies

Rubber shifter patch for better abrasion-resistance and durability

O'Neal - Sierra R Helmets Color:White/Black/Grey - This fibreglass shell ensuresThe SIERRA helmet Your safe companion for Street & Adventure Get ready for style, safety, comfort, and innovative technology the ONEAL SIERRA helmet combines them all in a sleek overall design. With this helmet youre free to focus on the road and know that the SIERRA will support you. High end is the perfect word to describe the ONEAL SIERRA: Delivering top performance in design, comfort, and safety, this ONEAL helmet is up to any challenge. Optimal