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About Alpinestars SM3 Radium Visor

Alpinestars SM3 Radium Visor

The SM3 Radium Visor is an official Alpinestars helmet accessory designed to restore coverage, roost deflection, and the original look of S-M3 Radium motocross helmets.
Developed for MX riders who demand precise fit and seamless integration, it delivers a dependable replacement solution that keeps your helmet ready for track and off-road use.

Warning:  California Proposition 65

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