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Bell Helmet Sizing Chart above (Click to Enlarge) Bell M4 SA 2010 Racing Helmet Free Shipping! Features of the Bell M4 Helmet: • Snell SA 2010 Certification • Lightweight Composite Shell • Aggressive Styling • Large Eyeport • Chin Bar, Forehead & Top Ventilation • Recessed Face Piece for Seamless Radio Integration • 281/3MM SRV Shield (SRV-2 Pivot System) • E-Max Plus Multi Density Liner • Comfortable Interior • Pre-Drilled for Head & Neck Restraint Devices • Colors: Gloss White and Matte Black • Sizes: Small, Medium, Large, Extra Large |
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