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This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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O'Neal Sierra 2 R Helmet

The Sierra II R Helmet from O'Neal is an adventure helmet that is ready for road, trail or dirt. An adjustable, removable sun peak compliments the helmet's aerodynamic vent scheme with a design of its own to help reduce turbulence and lift at speed. An integrated face shield pairs well with a drop-down, internal sun shield to truly prepare you for whatever the journey takes you. The polycarbonate / ABS shell construction helps reduce weight while remaining durable. Easily remove the face shield and add goggles when trail work gets technical. The Sierra II R's also features a channeled EPS liner to cool the rider and make the most use of airflow while achieving an ECE safety certification.  

Features: 

  • Polycarbonate / ABS shell construction
  • Designed for street, enduro, side-by-side and adventure use
  • Drop-down internal sun shield
  • Moisture-wicking interior
  • Removable, washable cheek pads and top liner
  • Vent holes and channeled EPS for optimal ventilation 
  • Removable, integrated face shield
  • Oversized chin intake vent
  • Removable, adjustable sun peak 
  • Padded chin strap with double D-ring closure
  • DOT and ECE 22.05 certified 
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Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Black/White / XS Item # 1819053 Store SKU Manufacturer Product # 0817-711 Availability Pre-Order: Expected to ship early-August
Product Style Black/White / SM Item # 1819054 Store SKU Manufacturer Product # 0817-712 Availability Pre-Order: Expected to ship early-August
Product Style Black/White / MD Item # 1819055 Store SKU Manufacturer Product # 0817-713 Availability Pre-Order: Expected to ship early-August
Product Style Black/White / LG Item # 1819056 Store SKU Manufacturer Product # 0817-714 Availability Pre-Order: Expected to ship early-August
Product Style Black/White / XL Item # 1819057 Store SKU Manufacturer Product # 0817-715 Availability Pre-Order: Expected to ship early-August
Product Style Black/White / 2XL Item # 1819058 Store SKU Manufacturer Product # 0817-716 Availability Pre-Order: Expected to ship early-August
Product Style XS / Hi-Viz Yellow/Black Item # 1819047 Store SKU Manufacturer Product # 0817-721 Availability Pre-Order: Expected to ship early-August
Product Style SM / Hi-Viz Yellow/Black Item # 1819048 Store SKU Manufacturer Product # 0817-722 Availability Pre-Order: Expected to ship early-August
Product Style MD / Hi-Viz Yellow/Black Item # 1819049 Store SKU Manufacturer Product # 0817-723 Availability Pre-Order: Expected to ship early-August
Product Style LG / Hi-Viz Yellow/Black Item # 1819050 Store SKU Manufacturer Product # 0817-724 Availability Pre-Order: Expected to ship early-August
Product Style XL / Hi-Viz Yellow/Black Item # 1819051 Store SKU Manufacturer Product # 0817-725 Availability Pre-Order: Expected to ship early-August
Product Style 2XL / Hi-Viz Yellow/Black Item # 1819052 Store SKU Manufacturer Product # 0817-726 Availability Pre-Order: Expected to ship early-August