SM3 Radium Helmet — 2XL, Black

ALPINESTARS(MX) SM3 Radium Helmet — 2XL, Black

ALPINESTARS(MX)
0110-9158
8300726-1546-2X
Off-road helmet engineered for MX and enduro with enhanced ventilation, a patented visor release system, and a low-friction liner to reduce rotational forces.
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€215.20
€254.04
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Designed for MX, enduro and off-road riding, the SM3 Radium helmet combines lightweight construction with impact performance and user-focused innovations. 🚵‍♂️

  • Thermo-injected shell with a special polymer blend and variable thicknesses for optimal protection and low weight.
  • Patented low-friction coating on the inner EPS liner reduces rotational acceleration from oblique impacts.
  • Slip-plane layer mimics cerebrospinal fluid to help lessen rotational forces on the brain.
  • Patented visor release system ensures visor separation at a predetermined force, reducing neck loads during impact.
  • Maximized ventilation with 10 inlets and 7 exhaust ports for high heat-transfer efficiency.

Composition: 48% acrylonitrile-butadiene-styrene, 20% polyurethane, 16% polystyrene (EPS), 6% polypropylene, 4% polyvinyl chloride, 2% ethylene-vinyl acetate, 2% steel, 1% expanded polypropylene, 1% polyamide. 🔧

: 0110-9158
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Data sheet

Type
Off-Road, MX
Units
Each
Color/Finish
Black, Gray, White
Base Color
Black
Gender
Unisex
Shell Material
ABS
Size
2XL
Size Group
Adult
Brand
ALPINESTARS
Finish
Gloss