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HJC RPHA-X Helmets

The HJC RPHA-X Adams Monster is one of HJC’s high end motocross helmets that come in various colors and graphics including the Adams Monster, Solid, Airaid, Factor and Tempest. The RPHA-A Adams Monster is comes in three shell sizes and has a wide eye port, neck brace and a five year limited warranty. The HJC RPHA-X meets or exceeds both SNELL and DOT standards.