SM3 Radium Helmet ECE06/DOT I4

SM3 Radium Helmet ECE06/DOT I4 is part of the Alpinestars Helmets range. Review the source specifications, fit information, materials, care guidance and warnings below before choosing a variant.

Product details

The SM3 Radium is an advanced MX helmet developed for motocross, enduro, and off-road riders seeking lightweight comfort and confidence in demanding terrain.
Its optimized polymer shell, highly ventilated design, and integrated rotational impact management work with a patented visor release system to deliver elevated protection, cooling performance, and rider-focused usability on every ride.