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Alpinestars

Alpinestars SM-5 Pearl White

DOT FMVSS 218, ECE 22.06

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About the Alpinestars SM-5 Pearl White

Full Face

Experience the perfect blend of performance and style with the Alpinestars SM-5 in Pearl White. Designed for the modern rider who demands precision engineering, this helmet features a sleek, minimalist aesthetic that stands out on the track or street. The carbon fiber construction ensures you stay light without sacrificing protection, making it an ideal choice for sport riding enthusiasts.

DOT FMVSS 218, ECE 22.06 Intermediate Oval Carbon Fiber Composite Shell with EPS Liner 2 year warranty

Technical Analysis

The Alpinestars SM-5 utilizes a multi-density EPS liner system designed to optimize energy absorption across varying impact vectors. The outer shell is constructed from a high-strength carbon fiber composite, offering superior rigidity-to-weight ratios compared to traditional fiberglass constructions, which enhances structural integrity during high-speed impacts while reducing overall rotational mass. This material choice allows for a more aggressive aerodynamic profile without compromising safety standards.

Safety & Aero-Acoustics HUD

Awaiting SHARP Audit

SHARP impact test results pending.

Aero-Acoustics 84 dB

Extremely Quiet: Superior long-distance sound damping.

Ventilation Flow 7/10

Good Flow: Standard EPS exhaust ports.

Quick-Release Buckle with D-Ring
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Interactive Size & Fit Finder

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
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Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

How to measure

Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.

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